1. Vitesy Eteria personal air purifier review: Filterless appliance for the eco-conscious

2. Newly ''awakened'' black hole is releasing 100 times more energy than scientists have ever seen before

3. Diagnostic dilemma: A man who couldn''t pee had been infected by one of the largest known human parasites

4. The James Webb telescope reveals the truth about a planet that crashed into its own star

5. Primates: Facts about the group that includes humans, apes, monkeys and other close relatives

6. ''A relationship that could horrify Darwin'': Mindy Weisberger on the skin-crawling reality of insect zombification

7. ''Dispiriting and exasperating'': The world''s super rich are buying up T. rex fossils and it''s hampering research

8. Trove of dinosaur footprints reveal Jurassic secrets on Isle of Skye where would-be Scottish king Bonnie Prince Charlie escaped

9. Watch zoo elephants form protective ''alert circle'' around young during 5.2 San Diego earthquake

10. Strange ''sea pigs,'' sea spiders and a spawning ''butterfly'' discovered on Antarctic ocean floor by scientists

11. Newly discovered comet SWAN just ''erupted'' with a bright, icy burst. Is it a cold volcano?

12. Crop circles surround Iraq''s multicolored ''Sea of Salt'' after years of drought — Earth from space

13. Watch humanlike robot with bionic muscles dangle as it twitches, shrugs and clenches its fists in creepy video

14. ''The parasite was in the driver''s seat'': The zombie ants that die gruesome deaths fit for a horror movie

15. Lyrid meteor shower peaks next week: How to spot the most ''shooting stars''

16. Climate change: Facts about our warming planet

17. Inequality isn''t new but it''s far from inevitable, 10,000 year archeological study reveals

18. World''s first baby conceived with ''automated IVF'' has been born

19. ''Flesh-eating'' vulva infections reported in three cases — gynecologists should know the signs, experts warn

20. Dangerous ''crises'' in sickle cell disease may be amplified by menstrual cycle

21. World Quantum Day 2025: What is quantum superposition and what does it mean for quantum computing?

22. Słupcio: A 6,000-year-old amber ''gummy bear'' that may have been a Stone Age amulet

23. Why do we get a ''second wind'' of energy at the end of the day?

24. Scientific consensus shows race is a human invention, not biological reality

25. The Earth''s oceans used to be green — and could one day turn purple, scientists say

26. What is the ''Eye of Horus'' and why is it found in so many ancient Egyptian burials?

27. Study reveals ''flawed argument'' in debate over when plate tectonics began

28. GPT-4.5 is the first AI model to pass an authentic Turing test, scientists say

29. Elite Celtic warrior had healed arrowhead injury in his pelvis, 3D bone analysis reveals

30. Space photo of the week: Mars rises over the moon''s horizon at the best possible time

31. Do animals have orgasms?

32. Alien Dyson spheres could really exist — but only in this 1 type of star system, new study hints

33. Viking quiz: How much do you know about these seaborne raiders, traders and explorers?

34. It''s time to clean up space junk before orbits become ''unusable,'' according to new ESA report

35. Record-breaking ''dead'' galaxy discovered by JWST lived fast and died young in the early universe

36. ''Major'' ancient Egyptian town discovered — and it has a jug stamped with the name of Nefertiti''s daughter

37. Dracula parrot: The goth bird whose piercing screams echo through New Guinea forests

38. What do black boxes on planes actually record?

39. Science news this week: Controversy around the dire wolf ''de-extinctions'' and a 3D hologram breakthrough

40. Scientists built largest brain ''connectome'' to date by having a lab mouse watch ''The Matrix'' and ''Star Wars''

41. Archaeologists may have discovered the birthplace of Alexander the Great''s grandmother

42. Elusive neutrinos'' mass just got halved — and it could mean physicists are close to solving a major cosmic mystery

43. La Niña is dead after just a few months. What happened?

44. What are mRNA vaccines, and how do they work?

45. Oldest-known North American woolly mammoth revealed in ''long-lost'' ancient DNA

46. US company to use giant spinning cannon to blast hundreds of pancake-like ''microsatellites'' into space

47. New urinal designs could prevent up to 265,000 gallons of urine from spilling onto the floor each day

48. Wilkes Land crater: The giant hole in East Antarctica''s gravitational field likely caused by a meteorite

49. Get a closer look at wildlife for less: This huge 60 saving on the Bushnell 10x42mm Trophy XLT binoculars — now down to their lowest-ever price at Adorama

50. Acer Aspire Vero 16 review: Admirably eco-conscious

51. Killer Australian fungus can gobble up widespread, pesticide-resistant armyworm from the inside

52. Science of sleep quiz: How much do you know about sleep and dreams?

53. Flu: Facts about seasonal influenza and bird flu

54. Colgate Kids battery-powered toothbrush review

55. Extremely rare Denisovan jawbone confirms human cousins spread across Asia

56. ''Incredible and rare'' sight as endangered whale attacked by 60 orcas in brutal hunt

57. Mercury is weird because of a ''hit-and-run'' incident in its youth

58. Why is this giant desert turning green? Scientists may finally know the answer.

59. Strange altar found at Tikal wasn''t made by the Maya — and it has at least 4 people buried inside it

60. ''It was amazing'': Scientists discover ash from 2 mystery volcanic eruptions in Wyoming

61. Astronomers are shocked to find our galaxy''s nearest neighbor is being torn to shreds

62. Rare quadruple supernova on our ''cosmic doorstep'' will shine brighter than the moon when it blows up in 23 billion years

63. In a first, breakthrough 3D holograms can be touched, grabbed and poked

64. What is hantavirus? The rare but deadly respiratory illness spread by rodents

65. Mysterious Antikythera Mechanism may have jammed constantly, like a modern printer. Was it just a janky toy?

66. April''s full ''Pink Moon'' rises this weekend — here''s how to see it, and why it''s so special

67. When will the US measles outbreak end?

68. The world''s largest atom smasher is getting a powerful new upgrade

69. Titanic virtual reconstruction sheds light on fateful night the ship tore apart

70. ''City-killer'' asteroid that might hit moon has ''unexpected'' shape, astronomers say

71. Winter sea ice cover lowest in 47-year satellite record

72. Physicists create hottest Schrödinger''s cat ever in quantum technology breakthrough

73. Colossal''s de-extincted ''dire wolf'' isn''t a dire wolf and it has not been de-extincted, experts say

74. ''Fingerprints of cancer'' found after scientists flash infrared light pulses at blood samples

75. Quantum computing breakthrough could make disruptive ''noise'' — forces that disrupt calculations — a thing of the past

76. Scientific research is the lifeblood of our economy. Now, a wrecking ball has come.

77. Diagnostic dilemma: A scientist caught plague from bacteria thought to be ''noninfectious''

78. HP EliteBook Ultra 14 G1q review: Fantastic in every way apart from its underwhelming screen

79. Scientists finally know how long a day on Uranus is

80. ''Hairy books'' bound by medieval monks are covered in sealskin, study finds

81. The North Pole could wander nearly 90 feet west by the end of the century

82. Rare colorful lightning caught on camera by ISS astronaut. ''OK, this is kind of out there''

83. Amateur astronomer discovers bright green comet SWAN25F — and you can see it too

84. NASA rover watches ''fiendish'' Martian ''dust devils'' collide in rare case of extraterrestrial cannibalism

85. 6,500-year-old hunting weapons found in Texas cave are among the oldest known in North America

86. ''If it weren''t for that asteroid, they might still share this planet'': Dinosaurs weren''t doomed before the asteroid hit, new study suggests

87. Origins of schizophrenia linked to epigenetics of the placenta

88. These strange, hybrid Earth lifeforms could survive on Mars, new study hints

89. Starving cannibalistic spiders won''t hunt their siblings, but they''ll quickly dine on their corpses

90. Scientists reveal new hydrogen-powered ‘robot horse’ that could one day take you up a mountain

91. Powerful solar winds squish Jupiter''s magnetic field ''like a giant squash ball''

92. Best compact binoculars 2025: Pocket-friendly optics for the great outdoors

93. Watch the moon''s shadow race across US on first anniversary of historic total solar eclipse — Earth from space

94. Dire wolves are back from extinction thanks to genetically engineered pups

95. Eufy P3 smart scale review

96. Secretive Russian military satellites release mystery object into orbit

97. One of our favorite beginner''s telescopes — now under 300 with a 20% saving at Amazon

98. 2 school-age children have died in Texas measles outbreak, as total cases pass 480

99. How a ''mudball'' meteorite survived space to land in the jungles of Central America

100. AI creates better and funnier memes than people, study shows — even when people use AI for help

101. Tropical tree in Panama has evolved to kill its ''enemies'' with lightning

102. 130,000-year-old mammoth calf smells like ''fermented earth and flesh,'' necropsy reveals

103. Pfyn culture flint tool: World''s oldest known ''Swiss Army'' knife

104. Why do snakes shed their skin?

105. Dell XPS 13 9345 (2024) review: Exceptionally sleek with a blockbuster battery life

106. Years of ''confusion and debate'' are over — research finds hormone therapy is good for women''s hearts in early menopause

107. Watch a private German rocket explode during 1st orbital launch attempt from European soil (video)

108. Bird flu could soon evolve to spread between humans. Here''s how to slow its progress.

109. Best binoculars for bird-watching 2025

110. Scientists say these North American rivers ''shouldn''t exist.'' Here''s why they do.

111. Redmi Watch 5 review

112. MIT invents new way for QPUs to communicate — paving the way for a scalable ''quantum supercomputer''

113. 4,000-year-old burial of elite woman with ostrich fan reveals world''s oldest known evidence of head straps

114. Space photo of the week: The chaotic heart of the Milky Way like you''ve never seen it before

115. What was the first alphabet in the world?

116. 3 million Breakthrough Prize goes to scientists that completely changed our understanding of multiple sclerosis

117. 3 million Breakthrough Prize awarded to developers of Ozempic-style drugs

118. Incredible photo shows supermassive black hole blowing a jet of matter into interstellar space

119. Scientists claim to find ''first observational evidence supporting string theory,'' which could finally reveal the nature of dark energy

120. Mini desktop supercomputer coming this year — powerful enough to run advanced AI models and small enough to fit in your bag

121. Usmile Y10 PRO Sonic electric toothbrush review

122. Northern giant mouse lemur: The bug-eyed fluff ball with the biggest testicles of all known primates

123. Stunning reconstruction reveals warrior and his weapons from 4,000-year-old burial in Siberia

124. Why do kangaroos have 3 vaginas?

125. How public key cryptography really works, using only simple math

126. Science news this week: AI lies and North America''s ''dripping'' crust

127. Thousands of strange, blobby creatures are washing up on California beaches

128. Massive magma eruptions may have ripped Africa and South America apart

129. Estrogen may spur the body to make opioids after injury

130. NASA launches rockets into auroras, creating breathtaking lights in Alaskan skies (photos)

131. Drug makes blood toxic to malaria-spreading mosquitoes

132. Mass grave of Roman-era soldiers discovered beneath soccer field in Vienna

133. Quantum computers will be a dream come true for hackers, risking everything from military secrets to bank information. Can we stop them?

134. Man gets sperm-making stem cell transplant in first-of-its-kind procedure

135. Unknown human lineage lived in ''Green Sahara'' 7,000 years ago, ancient DNA reveals

136. NASA signs new contract to use SpaceX''s Starship — even though it keeps blowing up

137. ''Seemingly impossible'': Endangered tortoise becomes first-time mom at about 100 years old

138. ''Major disruption'' has caused Arctic polar vortex to slide off North Pole, scientists say

139. Best image-stabilized binoculars in 2025

140. Rainbow Mountains: China''s psychedelic landscape created when 2 tectonic plates collided

141. Acer Swift Go 14 AI (2024) review: A cheap and cheerful AI PC for students

142. Snake quiz: Let''s ssseee what you know about these slithering reptiles

143. SwitchBot air purifier table review

144. Jaw-dropping NASA image reveals a dying star at the heart of the Helix Nebula — and it may have just murdered a planet

145. ''Twins! She has another baby'': Sea monster from Chile had 2 buns in the oven, rare fossil reveals

146. Dark Skys DS-FX star projector review

147. Has the sun already passed solar maximum?

148. The brain may ''move'' between related ideas in the same way it navigates from one location to another

149. Mind-reading brain implant converts thoughts to speech almost instantly: ''breakthrough''

150. Using AI reduces your critical thinking skills, Microsoft study warns

151. Kids infected with measles face long-term health consequences. Vaccines can prevent all of them.

152. How to choose an air purifier: Everything we have learned from years of testing.

153. NASA''s daredevil solar spacecraft survives 2nd close flyby of our sun

154. World''s first light-powered neural processing units (NPUs) could massively reduce energy consumption in AI data centers

155. This rare bacterial infection triggers pus-filled sores in the lungs and brain

156. Triassic amphibians the size of alligators perished in mass die-off in Wyoming, puzzling ''bone bed'' reveals

157. Gaia telescope retires: Scientists bid farewell to ''the discovery machine of the decade'' that mapped 2 billion Milky Way stars

158. How do smart scales measure body composition, and how accurate are they?

159. Mysterious origin of iconic Sutton Hoo helmet possibly revealed in new research

160. Your brain starts eating itself during a marathon, study finds

161. NASA''s SPHEREx telescope ''opens its eyes on the universe'', taking stunning debut image of 100,000 galaxies and stars

162. ''A notch above a gimmick'': Experts question scientific merit of billionaire''s Fram2 ''space adventure'' around Earth''s poles

163. ''Be ready to move quickly to higher ground'': Forecaster delivers ominous warning of 1-in-1,000-year flood coming for central US

164. Supersonic vehicles could become stronger, faster and more durable thanks to new findings

165. Morento MR5866 smart air purifier review

166. North America is ''dripping'' down into Earth''s mantle, scientists discover

167. Best smart telescopes 2025: The latest technology for exploring the universe

168. Watch this humanoid robot perform a side flip for the first time

169. Scientists drilled into Belize''s Great Blue Hole and discovered a worrying trend

170. Diagnostic dilemma: A man''s deadly infection was triggered by a probiotic supplement

171. Ancient Egypt: History, dynasties, religion and writing

172. 3-year-old picks up ''beautiful stone,'' discovers 3,800-year-old scarab amulet in Israel

173. New state of matter, dubbed ''half ice, half fire,'' could lead to big advances in quantum computing

174. Watch eerie ''UFOs'' and a solar ''cyclone'' take shape in stunning new ESA video of the sun

175. Black holes can destroy planets — but they can also lead us to thriving alien worlds. Here''s how.

176. Bears: Facts about the furry omnivores that live in many parts of the world

177. The US is squandering the one resource it needs to win the AI race with China — human intelligence

178. Lava bursts through Grindavík''s defense barriers as new volcanic eruption begins on Iceland''s Reykjanes Peninsula

179. Giant, near-perfect cloud ring appears in the middle of the Pacific Ocean — Earth from space

180. ''We didn''t expect to find such a beautiful, thriving ecosystem'': Hidden world of life discovered beneath Antarctic iceberg

181. Scientists discover major differences in how humans and AI ''think'' — and the implications could be significant

182. James Webb telescope takes emergency look at ''city-killer'' asteroid 2024 YR4 ahead of close encounter in 2032

183. See spectacular photos from Saturday''s partial solar eclipse

184. Unknown human species in East Asia used sophisticated tools at the same time Neanderthals did in Europe

185. World''s largest atom smasher makes 1st-of-its-kind ''beauty'' particle discovery that could unlock new physics

186. In ''extremely rare'' case, Michigan resident dies from rabies after receiving transplanted kidney carrying the virus

187. Powerful X-class solar flare caught on camera erupting from sun''s surface

188. Hohle Fels water bird: The oldest depiction of a bird in the world

189. Best beginner cameras 2025: Quality, cheap mirrorless models

190. AI models will lie to you to achieve their goals — and it doesn''t take much

191. How much of your brain do you need to survive?

192. Multiple species of ticks in the US can transmit red meat allergy, CDC reports reveal

193. James Webb telescope could find signs of life on alien ''hycean'' ocean worlds

194. The history of cat domestication

195. Black holes may obey the laws of physics after all, new theory suggests

196. Watch eerie video of humanoid robot ''army'' marching naturally, thanks to a major AI upgrade

197. Space photo of the week: Hubble zooms in on the glittering galaxy next door

198. Why does nearly all life breathe oxygen?

199. NASA rover spots hundreds of ''spider eggs'' on Mars — and scientists have no idea how they got there

200. China now has a ''kill mesh'' in orbit, Space Force vice chief says

201. How to photograph a meteor shower

202. Traumatizing AI models by talking about war or violence makes them more anxious

203. Asian hermit spider: The arachnid that gets stronger after ejecting its own penis

204. Mathematicians solve vexing ''crowd problem'' that explains why public spaces devolve into chaos

205. Why do cats lick plastic bags?

206. Science news this week: ''Cosmic tornadoes'' and a surprise from ancient Egypt''s pyramids

207. Evidence refuting free will is being misinterpreted, scientists argue

208. Mysterious artifacts from King Tut''s tomb might have been used in ''awakening Osiris'' ritual

209. ''Totally unexpected'' galaxy discovered by James Webb telescope defies our understanding of the early universe

210. ''This is a very big earthquake'': The science behind Myanmar''s magnitude 7.7 earthquake

211. Scientists uncover ''inside-out, legless, headless wonder'' that lived long before the dinosaurs

212. Huge steam plume rises from Alaska''s Mount Spurr as volcano edges closer to eruption

213. Fish in the Mariana Trench all have the same, unique mutations

214. Staring at the March 29 solar eclipse can cause eye damage in seconds — and you won’t even feel it happening

215. ''Woolly devil'' flowers in Texas desert are the 1st new plant genus discovered in a US national park in almost 50 years

216. Flat, razor-thin telescope lens could change the game in deep space imaging — and production could start soon

217. Lake Salda: The only place on Earth similar to Jezero crater on Mars

218. Eclipse map: Will the March 29 solar eclipse be visible in your state?

219. 4 snow leopards spotted together on remote Pakistan mountain in rare footage

220. Xiaomi Watch 2 review

221. Giant, fungus-like organism may be a completely unknown branch of life

222. James Webb telescope zooms in on bizarre ''Einstein ring'' caused by bending of the universe

223. How to watch Saturday''s sunrise ''devil horn'' solar eclipse online for free

224. This might be the best exercise bike deal ever: NordicTrack exercise bike 41% off in the Amazon Big Spring Sale — a massive 610 saving

225. New cells discovered in eye could help restore vision, scientists say

226. Human sacrifices found in a Bronze Age tomb in Turkey were mostly teenage girls

227. Sony A7R V review: A 61-megapixel giant

228. James Webb telescope captures auroras on Neptune for first time ever

229. Current AI models a ''dead end'' for human-level intelligence, expert survey claims

230. ''We will fight for him'': Author John Green meets Henry Reider, a young tuberculosis patient with drug-resistant disease

231. ''Fish odor syndrome'': A rare metabolic condition that makes sweat smell like rotten fish

232. Why modern humans have smaller faces than Neanderthals and chimpanzees

233. HIV-funding cuts could lead to nearly 3 million extra deaths by 2030, study suggests

234. Archaeologists may have finally discovered famous ''lost'' canal built by Julius Caesar''s uncle

235. How many species of insects are there on Earth?

236. Scientists unveil new type of ''time crystal'' that defies our traditional understanding of time and motion

237. Brain aging accelerates dramatically around age 44 — could ketone supplements help?

238. Never-before-seen chain of volcanoes discovered hiding near the Cook Islands

239. Brain quiz: Test your knowledge of the most complex organ in the body

240. 2,200-year-old mysterious pyramid structure filled with coins and weapons found near Dead Sea

241. China''s superfast charging technology is twice as fast as Tesla''s — fully recharging EVs in just 6 minutes

242. Best solar viewing gear 2025: Get prepared for the partial solar eclipse on March 29

243. ''Exceptional'' hoard of 800 Iron Age artifacts found mysteriously burned and buried in UK field

244. What time does the March 29 solar eclipse start?

245. Diagnostic dilemma: A fish bone wandered through a man''s abdomen and stabbed his liver

246. Scientists thought sharks didn''t make sounds — until this accidental discovery

247. Coast-to-coast auroras possible in the US tonight as Earth clashes with a ''coronal hole'' on the sun

248. Dying SpaceX rocket triggers giant spiral of light above UK and Europe during secret mission

249. Longest molecules ever found on Mars may be remnants of building blocks of life

250. James Webb telescope reveals ''cosmic tornado'' in best detail ever — and finds part of it is not what it seems

251. Elusive ''Blaze Star'' nova could finally appear in our skies this week after multiple false alarms

252. ''Exquisitely preserved'' ginormous claws from Mongolia reveal strange evolution in dinosaurs

253. ''Very rare'' black hole energy jet discovered tearing through a spiral galaxy shaped like our own

254. 25,000-year-old mammoth bones reveal culture of ancient humans

255. Scientists discover new 15 million-year old fish with last meal fossilized inside its stomach

256. Best solar eclipse glasses to stay safe when viewing the partial solar eclipse on March 29

257. Alef''s Model A — a single-seater ''retro'' flying car — is 1 step closer to taking to the skies

258. Best solar binoculars 2025: Observe the partial solar eclipse this week

259. ''Unlike any objects we know'': Scientists get their best-ever view of ''space tornadoes'' howling at the Milky Way''s center

260. ''Shining anus'' volcano in Tonga coughs up cloud of smoke during recent eruption — Earth from space

261. We rate these as some of the best solar binoculars around — order them now just in time for the partial eclipse on March 29 and save 33%

262. ''Extremely Large Telescope'' being built in Chile could detect signs of alien life in a single night

263. Ancient Egyptian pyramids, thought to contain only the elite, may also hold low-class laborers

264. ''Potentially hazardous'' pyramid-size asteroid will make its closest flyby of Earth for more than 100 years this Wednesday

265. China''s new 2D transistor could soon be used to make the world''s fastest processors

266. Which states will see the March 29 solar eclipse — and which will see a ''double sunrise''?

267. The March partial solar eclipse is this week — grab this pack of AAS-approved solar eclipse glasses now with 55% off at Amazon

268. Tumaco-Tolita gold figurine: A 2,000-year-old statue with a ''fancy nose ornament'' from a vanished South American culture

269. Intelligent aliens would need a power supply to jump-start their civilization — would they require fossil fuels?

270. Controversial black hole radiation first described by Stephen Hawking may have changed the shape of the universe, study hints

271. Silent X chromosome genes ''reawaken'' in older females, perhaps boosting brain power, study finds

272. Weird repeating explosion beyond the Milky Way is one of the hottest blasts scientists have ever seen

273. In a 1st, trial finds vitamin D supplements may slow multiple sclerosis. But questions remain.

274. Best beginner cameras for astrophotography 2025

275. Terracotta Army quiz: What do you know about the ''warriors'' in the 2,200-year-old tomb of China''s 1st emperor?

276. Self-bending beams can deliver sound waves only to your ear in a crowd

277. Space photo of the week: The last sight you see before dying on the moon

278. Can animals understand human language?

279. Scientists break down cheap plastic using the air — and turn it into something far more valuable

280. High-school student accidentally discovers black hole ''light echo'' twice as wide as the Milky Way

281. Best monocular 2025: A lightweight alternative to binoculars, telescopes and spotting scopes

282. Great potoo: The ''tree stump'' bird with a haunting growl and can see with its eyes closed

283. Scientists discover smallest galaxy ever seen: ''It''s like having a perfectly functional human being that''s the size of a grain of rice''

284. Why don''t all birds fly?

285. Science news this week: ''Stranded'' astronauts return and mystery human ancestor

286. Global sea levels rose a whopping 125 feet after the last ice age

287. 3,200-year-old Egyptian tomb may belong to military commander who served under Ramesses III

288. Telescope reveals earliest-ever ''baby pictures'' of the universe: ''We can see right back through cosmic history''

289. New AI is better at weather prediction than supercomputers — and it consumes 1000s of times less energy

290. Extraterrestrials quiz: Are you an alien expert, or has your brain been abducted?

291. Simple blood tests could be the future of cancer diagnosis

292. Are you protected against measles? Do you need a booster shot? Everything you need to know about immunity

293. Yellowstone''s iconic bison herds have merged into a single entity after 100 years of wandering the park

294. Celestron Labs CB2000C Advanced Biological Trinocular Microscope review

295. Drake Passage: The ''most dreaded bit of ocean on the globe'' — where waves reach up to 80 feet

296. Chinese scientists use laser drones to count the country''s trees — all 142.6 billion of them

297. Scientists create magnetic ultra-efficient ''universal memory'' that consumes much less energy than previous prototypes

298. ''We had less than a 2% chance to find this'': James Webb telescope uncovers baffling ''Big Wheel'', one of the most massive galaxies in the early universe

299. 30,000-year-old fossilized vulture feathers ''nothing like what we usually see'' preserved in volcanic ash

300. Euclid space telescope unveils ''treasure trove'' of data on 26 million galaxies in the ''dark universe''