Yuezhuornis, a 150-million-year-old Jurassic bird from China, had serrated teeth unlike any other bird and probably hunted on ...

Astronomers discovered that WASP-17b has an uneven atmosphere, with extreme temperature differences between its morning and ...

Reaction times were slower when a signal came as people breathed in than when they breathed out or paused, in a lab test of ...

Giving animals a name made some preschoolers choose less chicken on pretend sandwiches, though meat lovers were unswayed.

AI-generated books and images may compete with human creators, but new research questions whether that competition violates ...

New research shows how wind and rising air can make flying more efficient than swimming, challenging long-held scientific assumptions. Textbooks rank the ways animals get around by cost: swimming is ...

A 12.7-inch giant isopod from Puerto Rico, filed under the wrong name in Tübingen for decades, is a new species, Bathynomus ...

Teeth and ear bones from 199 people in Bronze Age Greece suggest 17 grew up elsewhere. Most were young adults, and no ...

Some southern right whales take a longer route toward Antarctica but still reach their feeding grounds on time.

Satellite data reveal that many Alpine peatlands may be smaller and more disturbed than official maps suggest, raising ...

Older adults carrying a major Alzheimer’s risk gene showed slower memory decline after starting volunteering, even at under ...

NASA satellite imagery reveals massive Amazon rainforest fires as El Niño-driven drought fuels dangerous conditions across Brazil.