1. Mystery of the sun''s mind-bogglingly hot atmosphere may finally be solved

2. 2,000-year-old Celtic teenager may have been sacrificed and considered ''disposable''

3. Why don''t teeth count as bones?

4. Lab monkeys on the loose in Mississippi don''t have herpes, university says. But are they dangerous?

5. Gene on the X chromosome may help explain high multiple sclerosis rates in women

6. Humanoid robots could lift 4,000 times their own weight thanks to breakthrough ''artificial muscle''

7. Exceptionally rare iron saber, arrowheads and jewelry discovered in seventh-century warrior''s tomb in Hungary

8. 22 of Earth''s 34 ''vital signs'' are flashing red, new climate report reveals — but there''s still time to act

9. First-ever ''mummified'' and hoofed dinosaur discovered in Wyoming badlands

10. Capture the Leonids meteor shower with our favorite astro camera — now under 2,000

11. Diagnostic dilemma: A baby suddenly started to smell of rotting fish

12. Science history: First computer-to-computer message lays the foundation for the internet, but it crashes halfway through — Oct. 29, 1969

13. Building blocks of life detected in ice outside the Milky Way for first time ever

14. ''Miracle'' photo captures Comet Lemmon and meteor seemingly entwined over Earth

15. Would you get rid of daylight saving time?

16. RunStar 8E SmartScan Pro Body Fat Scale review: Next-level body analysis

17. Watch Air Force fly inside the eye of Hurricane Melissa as experts warn ''storm of the century'' will be catastrophic for Jamaica

18. ''Puzzling'' object discovered by James Webb telescope may be the earliest known galaxy in the universe

19. Our favorite everyday running shoes are now at their lowest-ever price

20. ''This is a completely different level of anti-vaccine engagement than we''ve ever seen before,'' says epidemiologist Dr. Seth Berkley

21. Future pandemics are a ''certainty'' — and we must be better prepared to distribute vaccines equitably, says Dr. Seth Berkley

22. Glowering ''skull'' stares upward from a giant volcanic pit in the Sahara — Earth from space

23. Differences in red blood cells may have ''hastened the extinction'' of our Neanderthal cousins, new study suggests

24. Is the Oura Ring Gen 4 worth it? Here''s what we think after four months of testing

25. Being mean to ChatGPT increases its accuracy — but you may end up regretting it, scientists warn

26. There is such a thing as ''settled science'' — anyone who says otherwise is trying to manipulate you

27. Decapitator nose ornament: 1,500-year-old gold jewelry depicting a bloodthirsty South American god

28. Why can pumpkins grow so large, but blueberries can''t?

29. New blood test can predict risk of postpartum depression with more than 80% accuracy

30. ''Extremely rare'' and ''highly unusual'' Roman-era tomb in Germany is completely empty

31. Indigenous Americans dragged, carried or floated 5-ton tree more than 100 miles to North America''s largest city north of Mexico 900 years ago

32. Weird symmetry between Earth''s Northern and Southern Hemispheres appears to be breaking

33. Interstellar object 3I/ATLAS is about to get very active — Space photo of the week

34. Did Neanderthals eat anything other than meat?

35. ''I screamed out of excitement'': 2,700-year-old cuneiform text found near Temple Mount — and it reveals the Kingdom of Judah had a late payment to the Assyrians

36. COVID-19 mRNA vaccines can trigger the immune system to recognize and kill cancer, research finds

37. Science news this week: Comets light up the skies and race toward the sun, our galaxy''s mysterious glow is explained, and scientists tell us why time moves faster as we age

38. Neanderthals were more susceptible to lead poisoning than humans — which helped us gain an advantage over our cousins, scientists say

39. Meat eaten by city-dwelling Americans produces more CO2 than the entire UK — but there are easy ways to slash it

40. Why does pooping feel so good?

41. Two spacecraft will pass right through comet 3I/ATLAS'' tail

42. 1,400-year-old hieroglyphs reveal name of powerful Maya queen

43. Neanderthals could be brought back within 20 years — but is it a good idea?

44. DNA reveals what killed Napoleon''s soldiers during their disastrous retreat from Russia in 1812

45. ''Near stationary'' Tropical Storm Melissa is moving slower than a person walking — and it may bring deadly flash floods to the Caribbean

46. Eternal Flame Falls: New York''s mini waterfall that hides a grotto filled with undying fire

47. Strange object between Saturn and Uranus is ''evolving'' its own ring system, study suggests

48. Last chance to buy this premium Garmin watch, now at its lowest-ever price at Walmart

49. New images of interstellar object 3I/ATLAS show giant ''jet'' shooting toward the sun

50. Fruits and vegetables quiz: Do you know where pumpkins, blueberries and broccoli come from?

51. Rare fossils in New Mexico reveal dinosaurs were doing just fine before the asteroid annihilated them all

52. Scientists have just defined five sleep profiles — and some could help spot mental illness

53. Charred piece of secretive Chinese rocket found still smoldering in the Australian outback

54. Rare half-pink rough diamond with ''astounding'' weight of 37.4 carats discovered in Botswana

55. Venomous snake strikes captured in extreme detail through high-speed videos for first time

56. Tropical Storm Melissa puts Caribbean''s most flood-vulnerable places at risk

57. Science history: Scientists use ''click chemistry'' to watch molecules in living organisms — Oct. 23, 2007

58. Scientists create ultrapowerful, squishy robotic ''eye'' that focuses automatically and doesn''t need a power source

59. Mysterious glow at the Milky Way''s center could reshape a major cosmic theory

60. 1,300-year-old poop reveals pathogens plagued prehistoric people in Mexico''s ''Cave of the Dead Children''

61. World''s biggest X-ray laser discovers never-before-seen type of ice that''s solid at room temperature

62. Astronomers spot giant hidden ''bridge'' and record-breaking tail between 2 dwarf galaxies

63. Astronomers discover skyscraper-size asteroid hidden in sun''s glare — and it''s moving at a near-record pace

64. Google''s breakthrough ''Quantum Echoes'' algorithm pushes us closer to useful quantum computing — running 13,000 times faster than on a supercomputer

65. You don''t need to be very happy to avoid an early death from chronic disease, study finds

66. Diagnostic dilemma: A toddler accidently ate gonorrhea bacteria from a lab dish

67. Plants self-organize in a ''hidden order,'' echoing pattern found across nature

68. James Webb telescope finds that galaxies in the early universe were much more chaotic than we thought

69. New eye implants combined with augmented-reality glasses help blind people read again in small trial

70. Unitree''s H2 robot poses, pirouettes and pulls off deft karate moves with eerily lifelike movement

71. ''Illegal'' metal detectorist found a huge hoard of Roman treasure in Germany — and kept it hidden for 8 years

72. New study reveals why time seems to move faster the older we get

73. Superbright ''Comet Lemmon'' gets its tail temporarily torn to pieces by solar wind

74. Superbright ''Comet Lemmon'' flies through auroras over Scotland during surprise solar storm

75. Scientists discover first direct evidence that slivers of ''proto-Earth'' may survive today

76. Quantum computing ''lie detector'' finally proves these machines tap into Einstein''s spooky action at a distance rather than just faking it

77. Pair of ''holy'' islands in eerily green African lake hold centuries-old relics and mummified emperors — Earth from space

78. ''People made it out of the cities alive'': Tracing the survivors of Pompeii and Herculaneum, 2,000 years after Vesuvius erupted

79. ''It''s really an extraordinary story,'' historian Steven Tuck says of the Romans he tracked who survived the AD 79 eruption of Mount Vesuvius

80. Roos Carr figures: Creepy 2,600-year-old carvings with ''removable genitalia'' and eyes that may have symbolized Odin''s soothsayer powers

81. Bored of waiting for Black Friday fitness deals? Us too! Here are 7 discounts for those who can''t wait

82. What are the mysterious lights sometimes seen on the moon?

83. Rainbow-on-a-chip'' could help keep AI energy demands in check — and it was created by accident

84. Scientists discover new way to predict next Mount Etna eruption

85. Easter Island statues may have ''walked'' thanks to ''pendulum dynamics'' and with as few as 15 people, study finds

86. New smart ring is a novel way to control your computer — it has the humble mouse firmly in its sights

87. Double comet alert! Comets Lemmon and SWAN will reach their brightest this week — here''s how to spot them

88. ALMA and JWST solve major star formation mystery: Space photo of the week

89. How do our brains wake up?

90. 20 million NASA mission to visit ''God of Chaos'' asteroid saved from budget cuts in last-minute decision

91. Astronomers detect first ''heartbeat'' of a newborn star hidden within a powerful cosmic explosion

92. Arctic Ocean methane ''switch'' that helped drive rapid global warming discovered

93. Science news this week: Revived permafrost microbes spew CO2, scientists image object ''moving'' at 99.9% the speed of light, and James Webb telescope spots something exciting blasting from black hole M87*

94. 3,500-year-old Egyptian military fortress with ancient ovens and fossilized dough discovered in Sinai Desert

95. Can you actually get high from licking a toad?

96. Could simple blood tests identify cancer earlier?

97. ''This moves the timeline forward significantly'': Quantum computing breakthrough could slash pesky errors by up to 100 times

98. Orionids 2025: Meteor shower caused by Halley''s Comet peaks as two new comets cross the sky

99. CO2 levels reach record new high, locking in more global warming

100. Astronomers close in on ancient signal from ''one of the most unexplored periods in our universe''

101. An Iranian volcano appears to have woken up — 700,000 years after its last eruption

102. Black eyes, orbital fractures and retinal detachment: Pickleball-related eye injuries are on the rise in the US

103. Record-breaking ''dark object'' found hiding within a warped ''Einstein ring'' 10 billion light-years away

104. The Oral-B iO Series 9 is one of our all-time favorite smart-enabled electric toothbrushes and now it''s 100 cheaper

105. ''Most pristine'' star ever seen discovered at the Milky Way''s edge — and could be a direct descendant of the universe''s first stars

106. Chasing comets: How to photograph comets Lemmon and 3I/ATLAS

107. 5,000 years ago, Stone Age people in China crafted their ancestors'' bones into cups and masks

108. Toyota to launch world''s first EV with a solid-state battery by 2027 — they''re expected to last longer and charge faster

109. Stalagmites adhere to a single mathematical rule, scientists discover

110. REM sleep may reshape what we remember

111. Skeleton-filled well in Croatia likely holds remains of Roman soldiers, study finds

112. Jane Goodall revolutionized animal research, but her work had some unintended consequences. Here''s what we''ve learned from them.

113. Cheaper than Prime Day: Our favorite telescope is now 300 off at Amazon

114. James Webb telescope finds something ‘very exciting’ shooting out of first black hole ever imaged

115. Methane leaks multiplying beneath Antarctic ocean spark fears of climate doom loop

116. We were wrong about how the moon''s largest and oldest crater formed — and that''s great news for NASA''s next lunar landing

117. Diagnostic dilemma: A woman''s nausea was triggered by a huge mass in her stomach — which doctors dissolved with diet soda

118. The viral ''Chicago Rat Hole'' wasn''t actually made by a rat, scientists claim

119. Haunting image of a rare hyena lurking in a ghost town wins 2025 Wildlife Photographer of the Year award

120. The most devastating extreme weather events of the year: Gallery

121. Astronomers spot the most powerful and distant ''odd radio circle'' ever seen

122. A massive weak spot in Earth''s magnetic field is growing, scientists discover

123. Human skeleton quiz: What do you know about the bones in your body?

124. New hydrogen battery can operate four times colder than before — meaning denser and longer-lasting EV batteries

125. Shapeshifting ''braided river'' in Tibet is the highest in the world, and is becoming increasingly unstable — Earth from space

126. Mysterious chunks of DNA called ''inocles'' could be hiding in your mouth

127. Link between Cascadia and San Andreas Fault earthquakes discovered 30 years after lost vessel stumbled across key data

128. AI reveals hidden ''ring fault'' that is unleashing earthquakes at Italy''s Campi Flegrei volcano

129. ''Planet Y'' theory hints at hidden Earth-size world lurking in the solar system — and it could be much closer to us than ''Planet Nine''

130. What is type 5 diabetes? Newly recognized form of the disease gets name

131. ''An increasing attack on water resources from multiple fronts'': Scientists warn ''day zero droughts'' could hit before 2030

132. Hidden ''doomed'' star revealed by James Webb Space Telescope could solve decades-old mystery

133. An ''ice tsunami'' in 2024 ripped through the Yukon with such force it tore up trees and the riverbed

134. 100,000 quadrillion asteroid Psyche may be the product of metal volcanoes, study hints

135. Miniature Skeleton: A ghostly 2,000-year-old party favor from a Roman banquet

136. Scientists ''reawaken'' ancient microbes from permafrost — and discover they start churning out CO2 soon after

137. What if Christopher Columbus had never reached the Americas?

138. Physicists capture rare illusion of an object moving at 99.9% the speed of light

139. Hubble went supernova hunting — and found something unexpected: Space photo of the week

140. Which planets are the youngest and oldest in our solar system?

141. Hidden, supercharged ''thermostat'' may cause Earth to overcorrect for climate change

142. Science news this week: Astronomers close in on comet 3I/ATLAS''s origins, a strange gravity anomaly discovered off Africa and AI designs brand-new viruses

143. Up to 20,000 coins from Early Middle Ages discovered by man digging for worms near Stockholm

144. Einstein''s relativity could rewrite a major rule about what types of planets are habitable

145. China issues new pledge to cut greenhouse gas emissions — is it now a global leader in climate action?

146. Extreme weather caused more than 100 billion in damage by June — smashing US records

147. Robots receive major intelligence boost thanks to Google DeepMind''s ''thinking AI'' — a pair of models that help machines understand the world

148. Coral Triangle: The giant hidden ''Amazon'' beneath the sea that appears somewhat resilient to climate change

149. New species of Jurassic ''sword dragon'' could help solve an evolutionary mystery

150. Ancient Roman tombstone found beneath undergrowth in New Orleans yard

151. 200-foot scorpion effigy mound in Mexico may align with the solstices

152. Comet 3I/ATLAS is losing water ''like a fire hose'' on full blast, ''rewriting what we thought we knew'' about alien star systems

153. Groundbreaking image shows two black holes orbiting each other for first time

154. Chemo hurts both cancerous and healthy cells. But scientists think nanoparticles could help fix that.

155. James Webb telescope may have spotted controversial ''dark stars'' in the far universe

156. Satellites detected strange gravity signal coming from deep within Earth almost 20 years ago, study reveals

157. Prime Day deals extended: There''s still a chance to save on cameras, binoculars and telescopes

158. Scientists discover gold nanoparticles hidden in spruce tree needles

159. 1,000-year-old burials of ''first Christians'' in Poland discovered near medieval settlement

160. One of the best budget treadmills we tested, and this last-minute Prime Day deal is still live!

161. Science history: First two-way phone call across outdoor lines made by Alexander Graham Bell — Oct. 9, 1876

162. Some naked mole rats are designated toilet cleaners, study suggests

163. James Webb telescope finds ''remarkable'' evidence that a black hole plowed through a galaxy, leaving an enormous scar behind

164. Color us impressed with this small but mighty home star projector, now 20% cheaper

165. We saw Saturn and Jupiter with this telescope and now it''s even cheaper for Prime Day

166. Save 77% and get three months extra with this excellent NordVPN Prime Day deal

167. Scientists invent ''Pulse-Fi'' prototype — a Wi-Fi heart rate monitor that''s cheaper to set up than the best wearable devices

168. Hurry— we''d buy these star projectors now, before Prime Day ends

169. Astro lovers'' Prime Day pick: Canon favorite discounted ahead of the Supermoons and Orionids

170. Psychedelic beer may have helped pre-Inca empire in Peru schmooze elite outsiders and consolidate power

171. Diagnostic dilemma: A brain lesion gave a woman a lifetime of joyless laughing fits

172. ''Harry Potter'' materials land three scientists Nobel Prize in chemistry

173. ''Closest view'' yet of interstellar comet 3I/ATLAS captured by Mars orbiter

174. Hundreds of ancient gold and silver coins from possible Celtic market found in Czech Republic

175. Our favorite noise-canceling headphones are now a huge 150 off in the Prime Day sale

176. ''The papyrus also recommends putting a clove of garlic in your vagina before bed'': The texts that reveal the baffling healthcare for women in ancient Egypt

177. Harvest supermoon photos: See the moon at its biggest and brightest in pictures from around the world

178. 5 of the best Prime Day stargazing deals we''d be buying this October

179. Self-healing ''concrete batteries'' now 10 times better — they could one day power cities, scientists say

180. Our favorite budget air purifier is now less than 95 in the Prime Day sale

181. Amazon just dropped the price on one of our favorite star projectors for Prime Day in October

182. ''The Big One'' could be even worse than COVID-19. Here''s what epidemiologist Michael Osterholm says we can learn from past pandemics.

183. Quantum record smashed as scientists build mammoth 6,000-qubit system — and it works at room temperature

184. The Red Sea experienced ''one of the most extreme environmental events on Earth'' 6 million years ago

185. Soar through a 1,000-mile-long maze on Mars in this mesmerizing new satellite video

186. Nobel Prize in physics goes to three scientists who discovered bizarre quantum effect on large scales

187. The whale-shaped island in Belize with a ''great blue blowhole'' — Earth from space

188. This state-of-the-art electric toothbrush is now a huge 149 off and at its lowest-ever price

189. Scientists used AI to map uncharted areas of the mouse brain

190. See Jupiter''s moons for less — our favorite astronomy binoculars are only 75 for Prime Day in October

191. Shackleton''s infamous ship ''Endurance clearly had several structural deficiencies,'' new analysis reveals

192. Sneaky asteroid zooms past Antarctica closer than a satellite — and astronomers didn''t catch it until hours after

193. Dramatic ''fireballs'' expected during Draconid meteor shower this week: How to get the best views

194. 2,700-year-old temple with ''sacred cave'' discovered in Turkey — and it may honor the ''mother goddess''

195. AI can now be used to design brand-new viruses. Can we stop it from making the next devastating bioweapon?

196. Deadly mamba snakebites stop muscles from working — but sometimes, antivenom can send them into overdrive

197. Interstellar comet 3I/ATLAS may come from the mysterious frontier of the early Milky Way, new study hints

198. Leopards ate our ancient human ancestors'' faces, AI analysis reveals

199. 750-year-old grass shoe discovered in a vulture''s nest in Spain

200. China''s new ''solar-power window coating'' can capture energy and power household devices

201. Unique gene variants in the Turkana people of Kenya may help them survive harsh desert heat

202. Corleck Head: A spooky three-faced Celtic sculpture found on the ''Hill of Death'' in Ireland — and it may have been connected to human sacrifice 1,900 years ago

203. Nobel Prize in medicine goes to trio for their work on immune tolerance

204. What''s the longest someone has been clinically dead — but then come back to life?

205. Striking images capture an antibiotic slaying bacteria in real time

206. Science history: Edwin Hubble uncovers the vastness of the universe with discovery of ''standard candle'' — Oct. 5, 1923

207. The James Webb telescope proves Einstein right, 8 times over — Space photo of the week

208. Why do avocados turn brown so quickly — and are they OK to eat at that point?

209. ''Health impacts are being felt in real time'': How the CDC is being decimated by the Trump administration

210. Asian golden cat: The ''feline of many costumes'' that plucks birds before eating them

211. Science news this week: Famed primatologist Jane Goodall dies, Iran sinks at an alarming rate, and scientists create human egg cells from skin

212. AI voices are now indistinguishable from real human voices

213. Who discovered America?

214. Massive system of rotating ocean currents in the North Atlantic is behaving strangely — and it may be reaching a tipping point

215. Did plate tectonics give rise to life? Groundbreaking new research could crack Earth''s deepest mystery.

216. Scientists could soon create a ''universal antivenom.'' But would it save lives?

217. Harvest Moon 2025: Watch a rare October supermoon rise amid shooting stars

218. Don''t use cannabis during pregnancy or breastfeeding, leading OBGYN group says

219. Anthropologists make ''ant yogurt'' from centuries-old recipe, serve it as an ''ant-wich'' at Michelin-star restaurant

220. Our favorite budget electric toothbrush for kids is 3.79 ahead of Prime Day in October

221. Scientists convert a kidney from blood type A to universal type O and implant it in a brain-dead recipient

222. Science history: Invention of the transistor ushers in the computing era — Oct. 3, 1950

223. From tool use to warfare — here are 5 ways Jane Goodall revolutionized our knowledge of chimpanzees

224. Divers recover more than 1,000 gold and silver coins from 1715 ''Treasure Fleet'' shipwreck in Florida

225. HPV vaccination drives cervical cancer rates down in both vaccinated and unvaccinated people

226. Wildfire-smoke-related deaths in the US could climb to 70,000 per year by 2050 due to climate change, study finds

227. Scientists find best evidence yet that icy moon Enceladus is habitable

228. Chimps eat fruit full of alcohol, but no, they don''t get drunk

229. Newly discovered comet ''Lemmon'' may be visible to the naked eye this month — but it will look more like a lime

230. Chinese tech company develops creepy ultra-lifelike robot face — watch it blink, twitch and nod

231. 4 reasons why you keep abandoning your fitness trackers (and how to stop them from happening again)

232. When China makes a climate pledge, the world should listen

233. Our solar system''s asteroid belt is slowly disappearing

234. The Panama Canal needs a staggering amount of water to operate. Climate change could threaten that, study warns

235. Jane Goodall, famed primatologist who discovered chimpanzee tool use, dies at 91

236. Bering Land Bridge emerged much later than we thought it did, new study finds

237. Yosemite''s glaciers have survived 20,000 years — but we could be the first people to see Sierra Nevada ice-free

238. Scientists created human egg cells from skin cells — then used them to make embryos

239. Heart quiz: What do you know about the body''s hardest-working muscle?

240. Mysterious 160 million-year-old creature unearthed on Isle of Skye is part lizard, part snake

241. Years of repeated head impacts raise CTE risk — even if they''re not concussions

242. Alen BreatheSmart 35i air purifier review — A real treat for gadget enthusiasts

243. Best fitness trackers for swimming 2025

244. ''Midnight'' eVTOL smashes its own record in latest test flight — bringing us closer to operational flying taxis

245. A ''Great Wave'' is rippling through our galaxy, pushing thousands of stars out of place

246. Diagnostic dilemma: A woman got unusual bruising from a massage gun. It turned out she had scurvy.

247. ''I honestly am not sure on this at all'': Poll reveals public uncertainty over experimenting on conscious lab-grown ''minibrains''

248. Scientists have digitally removed the ''death masks'' from four Colombian mummies, revealing their faces for the first time

249. Tutankhamun quiz: How much do you know about the famous boy king from ancient Egypt?

250. Stars that brush past black holes live longer, stranger lives after their close encounters with death

251. James Webb telescope spies a ''farting'' dwarf planet with fluorescent gas in the outer solar system

252. Life-size rock art points the way to oldest human inhabitants of Saudi Arabia — and the desert oases they used

253. Microsoft unveils new liquid-cooled computer chips — they could prevent AI data centers from massively overheating

254. Sea of Saharan ''star dunes'' clashes with otherworldly terrain where 2 countries meet — Earth from space

255. Citation cartels, ghost writing and fake peer-review: Fraud is causing a crisis in science — here''s what we need to do to stop it

256. Iran among ''world''s most extreme subsidence hotspots'' with some areas sinking up to 1 foot per year, study finds

257. Ancient Egyptian statue of ''Messi'' found at Saqqara necropolis is ''only known example of its kind from the Old Kingdom''

258. Ancient Hobbits slowed down growth during childhood, showing that humans didn''t always grow ''bigger and bigger brains''

259. Rare Fujiwhara hurricane ''dance'' could save East Coast from worst effects of Tropical Storm Imelda

260. Eagle brooches: 1,500-year-old pins filled with dazzling gems and glass — and worn by powerful Visigoth women

261. How long does DNA last?

262. Physicists find a loophole in Heisenberg’s uncertainty principle without breaking it

263. Science history: Alexander Fleming wakes up to funny mold in his petri dish, and accidentally discovers the first antibiotic — Sept. 28, 1928

264. 30,000-year-old ''personal toolkit'' found in the Czech Republic provides ''very rare'' glimpse into the life of a Stone Age hunter-gatherer

265. James Webb Space Telescope reveals thick cosmic dust of Sagittarius B2, the most most enormous star-forming cloud in the Milky Way — Space photo of the week

266. Do figs really have dead wasps in them?

267. Researchers uncover hidden ingredients behind AI creativity

268. Why OpenAI’s solution to AI hallucinations would kill ChatGPT tomorrow

269. Science history: Rosetta stone is deciphered, opening a window into ancient Egyptian civilization — Sept. 27, 1822

270. Science news this week: A breakthrough cure for Huntington''s disease and a fast-growing black hole that breaks physics

271. Scientists asked ChatGPT to solve a math problem from more than 2,000 years ago — how it answered it surprised them

272. It''s official: Humans have found 6,000 planets beyond our solar system

273. Why does medicine taste bad?

274. Is acetaminophen safe in pregnancy? Here''s what the science says.

275. Mysterious cosmic explosion can''t be explained, scientists say

276. Our reviewer''s ''go-to'' sports watch has just dropped to its lowest-ever price

277. Scientists are unraveling the link between pollution and psoriasis

278. ''If there is a space race, China''s already winning it'': NASA unlikely to bring Mars samples back to Earth before China does, experts say

279. Amazon rainforest trees are resisting climate change by getting fatter from CO2 in the atmosphere

280. Scientists unveil world''s first quantum computer built with regular silicon chips

281. Perplexing diamonds from South Africa mine contain ''almost impossible'' chemistry

282. NASA launches special mission to study Earth''s mysterious "halo"

283. Cairo Fossil Forest: The oldest forest in North America with 385 million-year-old trees

284. ''Gold coins started appearing one after another'': 1,400-year-old hoard with money and jewelry unearthed near Sea of Galilee

285. Science history: DART, humanity’s first-ever asteroid deflection mission, punches a space rock in the face — Sept. 26, 2022

286. Rare wampum beads discovered at 17th-century colony in Newfoundland

287. 1 million-year-old skull from China holds clues to the origins of Neanderthals, Denisovans and humans

288. Mystery creature found in ''forbidden cloud forest'' of Peru is new species of marsupial

289. 95 million-year-old ''tiny, tiny skull'' from never-before-seen crocodile-like creature discovered in Montana

290. Scientific breakthrough leads to ''fluorescent biological qubit'' — it could mean turning your cells into quantum sensors

291. Weird glass in Australia appears to be from giant asteroid impact — but scientists ''yet to locate the crater''

292. Fossil of huge penguin that lived 3 million years ago discovered in New Zealand — what happened to it?

293. ''We thought it was a problem with the instrument'': Scientists shocked by rare ''Einstein cross'' with a surprise in the center

294. 5,000-year-old stone tomb discovered in Spain is 43 feet long — and it holds many prehistoric burials

295. ''Groundbreaking'' gene therapy is first treatment for Huntington''s disease to slow the condition

296. The James Webb telescope may have discovered a brand new class of cosmic object: the black hole star

297. Microscopic baby sea urchin crawling with tubed feet is among video winners of Nikon Small World in Motion competition

298. Scientists spot a baby planet being born in real time (photo)

299. In ''Secrets of the Brain,'' Jim Al-Khalili explores 600 million years of brain evolution to understand what makes us human

300. Scientists discover 85 ''active'' lakes buried beneath Antarctica''s ice