Geochemical analysis of 780,000-year-old stone tools from Israel suggests Acheulean (or Acheulian) hominins repeatedly sought specific basalt sources, revealing sophisticated planning and deep knowledge of their landscape.

The post Acheulean Toolmakers Chose Their Stone with Surprising Precision appeared first on Sci.News: Breaking Science News.

After a 50-year search, astronomers have uncovered evidence that Sagittarius A* -- the 4.3-million-solar-mass black hole that resides at the center of our Milky Way Galaxy -- is blowing a hot cosmic wind into its surroundings, carving out a giant cavity near the Galaxy’s heart.

The post Astronomers Finally Find Milky Way’s Missing Black Hole Wind appeared first on Sci.News: Breaking Science News.

By combining seismic, gravity and topographic data, a team of researchers from Italy, Switzerland, Germany and the United Kingdom found that several well-known subglacial basins in East Antarctica are part of a single fan-shaped province whose origins trace back to ancient continental stretching.

The post Geoscientists Find Vast Fan-Shaped Structure beneath Antarctica’s Ice appeared first on Sci.News: Breaking Science News.

Paleontologists have described an assemblage of marine fish fossils from the 62.2-million-year-old site of Qreiya 3 in the Eastern Desert of Egypt, providing a window into this transition.

The post Fish Fossils from Early Paleocene Fill 10-Million-Year Gap after Dinosaur Extinction appeared first on Sci.News: Breaking Science News.

Near-complete bovine skeletons unearthed the Early Pliocene site of Camp dels Ninots in northeastern Spain reveal that the ancestors of today’s buffalo and cattle were already growing to impressive sizes long before humans arrived on the continent.

The post Half-Ton Cattle Relatives Roamed Europe 4 Million Years Ago appeared first on Sci.News: Breaking Science News.

A supermassive black hole 6 billion times the mass of the Sun lurks in MRG-M0138, a gravitationally lensed quiescent galaxy seen when the Universe was just 3 billion years old, according to an analysis of data collected by the NIRSpec Integral Field Spectrograph onboard the NASA/ESA/CSA James Webb Space Telescope.

The post Webb Weighs Most Distant Inactive Black Hole Ever Found appeared first on Sci.News: Breaking Science News.

Paleontologists have confirmed that Praearcturus gigas, a creature that prowled shallow waters during the Devonian period, 415 million years ago, is the largest scorpion ever found.

The post Giant Scorpions Ruled Ancient Britain during Devonian Period appeared first on Sci.News: Breaking Science News.

Tiny colonial animals called bryozoans were long thought to have appeared tens of millions of years after the Cambrian explosion.

The post Complex Colonial Life Was Already Thriving during Cambrian Explosion appeared first on Sci.News: Breaking Science News.

Euplotes gigatrox, a new species of ciliate collected from a seawater filtration system on the Caribbean Island of Curaçao, can transform into a cannibalistic ‘supergiant,’ raising new questions about the complexity of life at the microscopic scale.

The post When Food Runs Short, This Single-Celled Organism Turns into Giant Cannibal to Survive appeared first on Sci.News: Breaking Science News.

The Northwest Africa (NWA) 12774, an angrite meteorite discovered in the Sahara Desert, likely in Mauritania, appears to be a fragment of a vanished protoplanet, offering the strongest evidence yet that a large planetary body formed and was later destroyed during the Solar System’s chaotic infancy.

The post Meteorite Found in Africa Preserves Evidence of Long-Lost Massive Protoplanet appeared first on Sci.News: Breaking Science News.

Chemical traces preserved in ancient rocks indicate that marine environments were deteriorating long before the catastrophe that wiped out vast numbers of species at the end of the Triassic period, around 201 million years ago.

The post Ancient Oceans Began Losing Oxygen Millions of Years before End-Triassic Mass Extinction appeared first on Sci.News: Breaking Science News.

By tracking fierce winds racing through the atmospheres of seven ultra-hot Jupiters, astronomers have uncovered the strongest evidence yet that magnetic fields shape weather on worlds beyond our Solar System.

The post Astronomers Detect Clearest Signs Yet of Magnetic Fields on Extrasolar Planets appeared first on Sci.News: Breaking Science News.

Paleontologists have recovered the fossilized remains of three hyaenodont species, including one previously unknown to science, from Miocene sediments in Pakistan.

The post Paleontologists Identify New Hyaenodont Species in Pakistan appeared first on Sci.News: Breaking Science News.

A new species of corcoraniid arthropod that lived during the Furongian epoch, between 497 and 487 million years ago, has been identified from an exceptionally preserved specimen found near Québec, Canada.

The post 490-Million-Year-Old Arthropod Fossil Fills Puzzling Gap in Fossil Record appeared first on Sci.News: Breaking Science News.

Paleontologists in Argentina have identified a previously unknown species of unenlagiid dinosaur that stalked freshwater wetlands during the Late Cretaceous epoch, adding to evidence that some dinosaurs specialized in catching fish.

The post New Dinosaur Species from Argentina May Have Specialized in Catching Fish appeared first on Sci.News: Breaking Science News.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have found an enormous black hole in the early Universe that appears to predate its own host galaxy, raising fresh questions about how the cosmos’ first supermassive monsters were born.

The post Webb Spots Supermassive Black Hole Older Than Its Home Galaxy appeared first on Sci.News: Breaking Science News.

By studying fungal microfossils in 66-million-year-old rock samples from the Denver Basin in Colorado, Johns Hopkins University microbiologists have confirmed that the dinosaur-killing asteroid impact triggered a worldwide fungal takeover, and uncovered a second, previously unknown ecological crisis just before it.

The post Fungi Bloomed Twice around End-Cretaceous Mass Extinction appeared first on Sci.News: Breaking Science News.

Mathematicians from University College London and the University of California, Davis, have published a mathematical proof that the Universe’s accelerating expansion can be explained without dark energy, dealing a serious blow to the Lambda-cold dark matter model.

The post Is Dark Energy Unnecessary? Mathematicians Challenge Standard Cosmological Model of Universe appeared first on Sci.News: Breaking Science News.

Named Plumadraco bankoorum, the newly-described species of enantiornithine bird lived in what is now northeastern China during the Cretaceous period, roughly 121 million years ago.

The post Cretaceous Bird from China Had Pair of Tail Feathers Twice as Long as Its Body appeared first on Sci.News: Breaking Science News.

Analyzing 1.75-billion-year-old microfossils from ancient Australian seabeds, paleontologists say ancient eukaryotes -- the ancestors of every plant, animal and fungus -- huddled in oxygenated seafloor patches for over a billion years before breaking free into open water.

The post Study: Early Complex Life Forms Were Bottom-Dwellers appeared first on Sci.News: Breaking Science News.