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Ancient anaconda fossils show that the snakes became giants soon after emerging in Miocene South America. Their size has stayed stable for over 12 million years, even though other huge reptiles went extinct. Surprisingly, warmer periods didn't make . ...

Researchers recreated conditions from billions of years ago and found that Earth's young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, may have formed naturally in the sky. The results ...

Ant pupae that are fatally sick don't hide their condition; instead, they release a special scent that warns the rest of the colony. This signal prompts worker ants to open the pupae's cocoons and disinfect them with formic acid, stopping the ...

Scientists have discovered a strange tubular structure inside Profftella, a symbiotic bacterium in the Asian citrus psyllid. These long, helical tubes, filled with ribosomes, show a complexity not typically found in bacteria. The discovery reshapes . ...

Scientists found that adult bristleworm eyes grow continuously thanks to a rim of neural stem cells similar to those in vertebrate eyes. This growth is surprisingly regulated by environmental light via a vertebrate-like c-opsin. The discovery reveals ...

Archaeologists excavating the ancient Roman city of Gabii have uncovered a massive stone-lined basin that may represent one of Rome's earliest monumental civic structures. Its central placement hints that early Romans were already experimenting with ...

As the last Ice Age waned and the Holocene dawned, deep-ocean circulation around Antarctica underwent dramatic shifts that helped release long-stored carbon back into the atmosphere. Deep-sea sediments show that ancient Antarctic waters once trapped ...

Dolichospermum, a type of cyanobacteria thriving in Lake Erie's warming waters, has been identified as the surprising culprit behind the lake's dangerous saxitoxins--some of the most potent natural neurotoxins known. Using advanced genome sequencing, ...

Chimpanzees naturally ingest surprising amounts of alcohol from ripe, fermenting fruit. Careful measurements show that their typical fruit diet can equal one to two human drinks each day. This supports the idea that alcohol exposure is not a modern . ...

Two decades of satellite and GPS data show the Thwaites Eastern Ice Shelf slowly losing its grip on a crucial stabilizing point as fractures multiply and ice speeds up. Scientists warn this pattern could spread to other vulnerable Antarctic shelves.