1. ''Cikai Korran came here and saw'': Visitors from India graffitied dozens of Egyptian tombs 2,000 years ago
2. Ancient ''alien-like'' skulls have been found on every continent but Antarctica. Anthropologists are starting to figure out why.
3. Planting trees in the sea could act as a huge carbon sink and save millions of dollars in storm damage every year. What is stopping us from doing it?
5. Scientists find 2 marsupial species, thought to have gone extinct 6,000 years ago, living in the forests of New Guinea
6. ''Striking'' footage captures the moment a red fox preys on a wolf pup — a behavior never seen on film before
9. China puts a sodium-ion battery into an EV for the first time — it can drive 248 miles on a single charge
12. These tiny swimming robots can navigate ''artificial space-time'' mazes using Einstein''s relativity
13. The sword in the sea: How one lucky graduate student found his second Crusader sword while taking a swim off Israel''s coast
17. Chinese EV maker claims it''s engineered the world’s first semi-solid-state EV battery with huge 620-mile range
18. Climate disasters caused societal upheaval 3,000 years ago in China, study of ''oracle bones'' hints
20. ''Truly extraordinary'': Mega-laser shooting at us from halfway across the universe is the brightest ''cosmic beacon'' we''ve ever seen
21. Chewed-up orca fins on Russian beach point to cannibalism, and scientists say it may explain why some pods are so tight-knit
24. ''Seeing how important agriculture was for daily livelihoods, and how uncertain and precarious agriculture had become in these times, it just made me feel very passionate about working on this issue''
25. Meet the world''s smallest AI supercomputer — it packs ''doctorate-level intelligence'', its makers say, and can fit into your pocket
28. Diagnostic dilemma: A doctor discovered the gene mutation behind his family''s mysterious missing-teeth condition
29. Prehistoric water-dwelling weirdo with sideways teeth and a twisted jaw was already a ''living fossil'' 275 million years ago
30. Mysterious ''little red dots'' discovered by James Webb telescope may be the first stars in the universe on the verge of collapse
31. Stone Age woman was buried like a man, revealing flexible gender roles 7,000 years ago in Hungary
32. ''Collective hum'' of black holes could mend our broken understanding of the universe, physicists say
33. Gold coin discovered by a metal detectorist in the UK may have been dropped by a Viking invader from the Great Heathen Army
35. Every ant is a queen in this parasitic species — and they reproduce by cloning themselves and hijacking other ant colonies
36. Vanuatu''s ''barefoot volcanologist'' stands at ash- and sulfur-spewing Mount Yasur in award-winning photograph
40. The ''sweet spot'' of overconfidence — project a bit to be perceived as competent, but don''t be ''too seduced,'' a cognitive neuroscientist explains in a Q&A
41. Ancient Greek mystery cult priestesses may have chemically tweaked fungus to induce psychedelic hallucinations
42. March could be the best month for the northern lights for nearly a decade — if the sun stays active
45. Science history: Stephen Hawking writes a tiny paper — and turns our understanding of black holes inside out — March 1, 1974
48. ''We''re starting to find a lot more weirdness'': These strange animals can control their body heat
49. Paleolithic humans invented an ''early predecessor to writing'' at least 40,000 years ago, carved signs suggest
50. Science news this week: ''Spiderwebs'' on Mars, tigers'' return to Kazakhstan, and 2,000-year-old skull with permanently blackened teeth
52. Stone Age boy in Sweden was buried in deerskin and a woodpecker headdress, archaeologists discover
53. Acing this new AI exam — which its creators say is the toughest in the world — might point to the first signs of AGI
54. The sun just experienced its first ''spotless days'' in 4 years — but we''re not in the clear yet
55. NASA announces sweeping overhaul of Artemis return to moon, targeting a 2028 landing and a 2027 in-orbit docking flight
57. Just in time for the total lunar eclipse, this beginner-friendly telescope is now 100 off at Amazon
58. ''It doesn''t lie. So who are you?'': What happens when DNA tests show a woman is not the mother of the child she gave birth to?
60. Science history: Carbon-14 is discovered, opening a window into past civilizations — Feb. 27, 1940
61. Humans and Neanderthals interbred — but it was mostly male Neanderthals and female humans who coupled up, study finds
62. Rubin Observatory alerts scientists to 800,000 new asteroids, exploding stars and other cosmic phenomena in just one night
63. Giant ''spiderwebs'' on Mars contain tiny egg-like structures that scientists ''can''t quite explain,'' NASA rover reveals
65. Babies weren''t supposed to be mourned in the Roman Empire. These rare liquid-gypsum burials prove otherwise.
71. Follow the BBC''s Kingdom and all your favorite natural history documentaries on your travels with this great deal on a top-rated VPN
73. Diagnostic dilemma: A parasite never before seen in humans was behind a woman''s lung infection, organ damage and forgetfulness
76. 14,000-year-old ivory tools found in Alaska hint at how Clovis ancestors first arrived in the New World
78. Obesity is linked to 1 in 10 deaths from infection worldwide — and scientists are still learning why
81. Incomplete remains of world''s ''youngest'' impact crater spotted lurking in Chinese forest — Earth from space
82. 2,800-year-old mass grave of women and children discovered in Serbia reveals ''brutal, deliberate and efficient'' violence
85. Ancient China: Facts, news, features and articles about the most powerful ancient civilizations in the world
88. ''Some of them have accuracy that''s close to zero'': Experts unpack the promise and pitfalls of genetic tests aimed at consumers
89. Rule-breaking black hole found growing at 13 times the cosmic ''speed limit,'' challenging theories
91. Rare ''planetary parade'' will return to the evening sky this week — but you''ll have to look at exactly the right time
96. ''Thermodynamic computer'' can mimic AI neural networks — using orders of magnitude less energy to generate images
98. Emerging embryo-selection technologies are currently ''little more than snake oil.'' But someday, they could widen social inequities.
99. Science news this week: China''s AI kung fu robots, physicists'' re-creation of the Big Bang soup, and a teenager buried with her father''s bones on her chest
100. 2,000-year-old skulls reveal people in ancient Vietnam permanently blackened their teeth — a stylish practice that persists today
102. Ancient ''Asgard'' microbe may have used oxygen long before it was plentiful on Earth, offering new clue to origins of complex life
104. Your own voice could be your biggest privacy threat. How can we stop AI technologies exploiting it?
105. Artemis II update: NASA targets March 6 for launch of historic moon mission following successful ''wet dress rehearsal''
106. A coffin holding a dead ''princess'' fell from an eroded cliff over 100 years ago — archaeologists just solved a major mystery about her
107. ''Proof by intimidation'': AI is confidently solving ''impossible'' math problems. But can it convince the world''s top mathematicians?
108. New tech allows parents to ''score'' IVF embryos for desirable traits — and it''s in desperate need of regulation
109. ''There will be leadership accountability'': Bungled Boeing Starliner mission put stranded NASA crew at risk, report says
110. In a ''race against time,'' archaeologists uncovered Roman-era footprints from a Scottish beach before the tide washed them away
111. 95 million-year-old Spinosaurus had a scimitar-shaped head crest and waded through the Sahara''s rivers like a ''hell heron''
113. Saturn''s largest moon may actually be 2 moons in 1 — and helped birth the planet''s iconic rings
114. China tests world''s first megawatt-class flying wind turbine — it generated enough energy to power a house for 2 weeks
115. 2,500-year-old ''primitive prosthetic'' found on jaw of mummified Scythian woman who survived complex jaw surgery
116. Physicists recreated the first millisecond after the Big Bang — and found it was surprisingly soupy
117. ''Absolute surprise'': Homo erectus skulls found in China are almost 1.8 million years old — the oldest evidence of the ancient human relatives in East Asia
118. City-size, cold-volcano comet transforms into a glowing ''snail shell'' after major explosive outburst
121. Save 150 on our cycling experts'' recommended choice as the best cycling smart trainer, now at its lowest-ever price
122. The biggest trees in the Peruvian Amazon store the most carbon — and they also face the greatest threat from humans
123. Supercomputers simulated the orbits of 1 million satellites between Earth and the moon — and less than 10% survived
124. Research group claims preeclampsia doomed the Neanderthals, but experts say it''s just a ''thought experiment''
126. Missing megaflood: How did the Mediterranean transform from a salt-filled bowl to a deep sea if it wasn''t a cataclysmic deluge?
128. 5,500 years ago, a teenage girl was buried with her father''s bones on her chest, new DNA study reveals
129. Humanoid robots show off creepily impressive kung-fu moves during Lunar New Year festival in China
136. Hidden beauty of Zimbabwe''s 2.5 billion-year-old ''geological marvel'' revealed in striking astronaut photo — Earth from space
138. Tumaco-Tolita Seated Elder: This 2,000-year-old depiction of an aged man with wrinkles struck fear in people because it held ''the power''
141. ''The brain consistently moved upward and backward'': Astronauts'' brains physically shift in their heads during spaceflight
143. Deepest views from James Webb and Chandra telescopes reveal a monster object that defies theory — Space photo of the week
145. Ancient rock art depicting hunters and geometric shapes discovered in Egypt''s Sinai Desert — and it spans a period of 10,000 years
147. ''Runaway'' black hole detected by the James Webb telescope adds a strange new chapter to our universe''s story
151. Science news this week: China turns a desert into a carbon sink, a Viking Age grave holds a giant who had brain surgery, real-life inception, and a last-minute Valentine''s gift idea from nature
153. Trump is bringing car pollution and other greenhouse gases back to America''s skies. Here are the health risks we all face from climate change.
155. Newly visible, city-size ''green comet'' will soon be ejected into interstellar space — just like 3I/ATLAS
157. ''It''s telling us there''s something big going on'': Unprecedented spike in atmospheric methane during the COVID-19 pandemic has a troubling explanation
158. Record-breaking gravitational wave puts Einstein''s relativity to its toughest test yet — and proves him right again
159. Canada could remove 5 times its annual carbon emissions by planting trees on edge of boreal forest, study finds
160. Archaeopteryx, one of the world''s first proto birds, has a set of weird, never-before-seen features, new study reveals
162. Subterranean tunnel, possibly used for medieval cult rituals, discovered in Stone Age tomb in Germany
166. Capture 2026''s space and astronomy highlights with one of our favorite astrophotography cameras — the Sony Alpha 7 IV has 20% off at Amazon
167. Risk of death from pregnancy in the US is 44 times higher than that from abortion, new analysis reveals
169. Antarctica ''ghost particle'' observatory gets major upgrade that could ''pave the way'' to physics breakthroughs
171. Medieval gold ring with dazzling blue gemstone discovered in Norway is a ''fantastically beautiful and rare specimen''
172. Radio signal discovered at the center of our galaxy could put Einstein''s relativity to the test
174. New study favors ''fuzzy'' dark matter as the backbone of the universe — contrary to decades of research
176. World''s oldest known sewn clothing may be stitched pieces of ice age hide unearthed in Oregon cave
178. Save 102 on our fitness experts'' recommended choice as the best walking treadmill, now at one of its lowest-ever prices
179. Needle-free insulin? Scientists invent gel that delivers insulin through the skin in animal studies
181. China has planted so many trees around the Taklamakan Desert that it''s turned this ''biological void'' into a carbon sink
182. Diagnostic dilemma: Teenager contracts rare ''welder''s anthrax,'' marking the ninth known case ever reported
183. Western Europe''s earliest known mule died 2,700 years ago — and it was buried with a partially cremated woman
184. Something supercharged Uranus with radiation during Voyager flyby 40 years ago. Scientists now know what.
191. Viking Age mass grave holds mysterious mix of dismembered human remains and complete skeletons, including a ''giant'' who''d had brain surgery
192. New ''sungrazing'' comet could become visible to the naked eye during the day — if the sun doesn''t destroy it
193. Impossibly powerful ''ghost particle'' that slammed into Earth may have come from an exploding black hole — and it could upend both particle physics and cosmology
196. Paleo-Inuit people braved icy seas to reach remote Greenland islands 4,500 years ago, archaeologists discover
199. Physicists push quantum boundaries by turning a superfluid into a supersolid — and back — for the first time
202. ''Maybe they''re waiting for something that only happens thousands of years later'': The hidden life ''sleeping'' deep beneath Earth for millions of years
203. Science history: ''Father of modern genetics'' describes his experiments with pea plants — and proves that heredity is transmitted in discrete units — Feb. 8, 1865
204. Anglo-Saxon children discovered buried with warrior gear in UK — perhaps as a nod to ''the men these children might have become''
205. ''A second set of eyes'': AI-supported breast cancer screening spots more cancers earlier, landmark trial finds
206. ''There''s no reason to ban us from playing'': Analysis debunks notion that transgender women have inherent physical advantages in sports
208. Science news this week: Anomalies inside Earth, leak on Artemis II, and how psychedelics may help treat PTSD
212. Extraordinary photo captures first appearance of Siberian peregrine falcon in Australia''s arid center
213. Scientist accidentally stumbles across bizarre ancient ‘wrinkle structures’ in Morocco that shouldn''t be there
214. Psychedelics may rewire the brain to treat PTSD. Scientists are finally beginning to understand how.
215. Psychedelic drug ayahuasca could treat PTSD, early studies hint. But exactly how it works isn''t clear.
216. Bandera Volcano Ice Cave: The weird lava tube in New Mexico whose temperature is always below freezing
219. Spotted lanternflies are invading the US. They may have gotten their evolutionary superpowers in China''s cities.
221. Black hole outburst ''Jetty McJetface'' is one of the most energetic objects in the universe — and only growing brighter
223. 7,500-year-old deer skull headdress discovered in Germany indicates hunter-gatherers shared sacred items and ideas with region''s first farmers
224. How well can AI and humans work together? Scientists are turning to Dungeons & Dragons to find out
226. Saltwater crocodiles crossed the Indian Ocean to reach the Seychelles — before humans arrived and wiped them out
235. Diagnostic dilemma: Man''s autopsy reveals unexpected ''boomerang-shaped'' structure in his heart
236. ''Textbooks will need to be updated'': Jupiter is smaller and flatter than we thought, Juno spacecraft reveals
238. A deer carrying the rotting head of its vanquished foe and a playful lynx shortlisted for Wildlife Photographer of the Year Nuveen People''s Choice Award
239. Asteroid 2024 YR4''s collision with the moon could create a flash visible from Earth, study finds
244. ''System in flux'': Scientists reveal what happened when wolves and cougars returned to Yellowstone
245. In the search for bees, Mozambique honey hunters and birds share a language with distinct, regional dialects
247. Physicists push thousands of atoms to a ''Schrödinger''s cat'' state — bringing the quantum world closer to reality than ever before
248. Trippy ''biomass'' snap reveals first detailed look at our planet''s carbon stores — Earth from space
251. What is Moltbook? A social network for AI threatens a ''total purge'' of humanity — but some experts say it''s a hoax
252. Enormous ''mega-blob'' under Hawaii is solid rock and iron, not gooey — and it may fuel a hotspot
254. The Colorado River''s largest tributary flows ''uphill'' for over 100 miles — and geologists may finally have an explanation for it
255. Artemis II simulated launch window opens tonight as NASA delays mission due to ''rare Arctic outbreak''
259. ''It''s similar to how Google can map your home without your consent'': Why using aerial lasers to map an archaeology site should have Indigenous partnership
260. ''Nose-in-a-dish'' reveals why the common cold hits some people hard, while others recover easily
262. Rare medieval seal discovered in UK is inscribed with ''Richard''s secret'' and bears a Roman-period gemstone
264. Stellar nursery bursts with newborn stars in hauntingly beautiful Hubble telescope image — Space photo of the week
269. ''The problem isn''t just Siri or Alexa'': AI assistants tend to be feminine, entrenching harmful gender stereotypes
270. Science news this week: ''Cloud People'' tomb found in Mexico, pancreatic cancer breakthrough, and the AI swarms poised to take over social media
276. Thousands of dams in the US are old, damaged and unable to cope with extreme weather. How bad is it?
277. ''Part of the evolutionary fabric of our societies'': Same-sex sexual behavior in primates may be a survival strategy, study finds
278. More than 43,000 years ago, Neanderthals spent centuries collecting animal skulls in a cave; but archaeologists aren''t sure why
281. The Snow Moon will ''swallow'' one of the brightest stars in the sky this weekend: Where and when to look
282. Halley wasn''t the first to figure out the famous comet. An 11th-century monk did it first, new research suggests.
283. ''Previously unimaginable'': James Webb telescope breaks own record again, discovering farthest known galaxy in the universe
285. 50-year-old NASA jet crashes in flames on Texas runway — taking it out of the Artemis II mission
286. 5,000-year-old rock art from ancient Egypt depicts ''terrifying'' conquest of the Sinai Peninsula
289. Drones could achieve ''infinite flight'' after engineers create laser-based wireless power system that charges them from the ground
292. AI tool reveals hundreds of ''anomalies'' in Hubble telescope archives — and some defy classification
294. Complex building blocks of life can form on space dust — offering new clues to the origins of life
296. 430,000-year-old wooden handheld tools from Greece are the oldest on record — and they predate modern humans
298. Next-generation AI ''swarms'' will invade social media by mimicking human behavior and harassing real users, researchers warn
300. NASA is preparing for simulated launch of Artemis II mega moon rocket — and it could happen as early as Saturday