It’s not easy living the high life. Take it from the Andean leaf-eared mouse, Earth’s highest-dwelling mammal. To tolerate ...

The HER Salt Lake Contraceptive Initiative’s approach, which centered the user and made refills easy, meant all types of ...

Marine cloud brightening could cool part of the Pacific and weaken extreme El Niños, simulations suggest. But the approach ...

There’s never been a good method to check for violations of the Outer Space Treaty’s prohibition of nuclear weapons in space.

The gold standard of scientific review, peer review by researchers’ colleagues, is in crisis. AI might offer a solution but ...

The ambitious expedition aims to fill data gaps about the glacier-sea boundary to predict when the world might tip into a ...

Two studies of Neandertal remains suggest their newborns were about the same size as those of modern humans but developed ...

A majority of 8th-graders and roughly a third of 10th- and 12th-graders do not see great risk in using fentanyl once or twice ...

The Smithsonian Natural History Museum’s latest exhibit, “From These Lands,” connects visitors with America’s natural history ...

A whole-genome analysis of Beefalo, a hybrid bison-cattle breed, suggests very few individuals have any bison DNA at all, a ...

New AI models are accelerating the game of cat-and-mouse as cybersecurity experts try to keep ahead of would-be hackers. An ...

Analysis of 3,000 incidents in Canada reveals which animal–human activity combos are especially risky. Of note: Elk and ...