Simulations show that subsurface oceans on small moons may hit boiling conditions, potentially creating features like Miranda’s distinctive ridges.

Ancient collagen preserved in the bones of extinct Australian mammals is revealing their evolutionary relationships, leading to some surprises.

Colorful lichen living on dinosaur bones reflect infrared light that can be detected by drones, which might lead to finds in remote areas.

Takanori Takebe’s strange investigation into whether humans can use the gut for breathing has surprisingly sentimental origins: helping his dad.

In people at risk for Alzheimer’s disease, researchers linked minimal to moderate physical activity to a 3-to 7-year delay in cognitive symptoms.

Simple chemistry could give the reindeer his famously bright snout. But physics would make it look different colors from the ground.

A machine learning analysis of wild lion audio reveals they have two roar types, not one. This insight might help detect where lions are declining.

The grisly infrared camera footage records a never-before-seen hunting tactic. It may have implications for bat conservation.

Video from the Haíɫzaqv Nation Indigenous community shows a wolf hauling a crab trap ashore. Scientists are split on whether it counts as tool use.

Expectations of continued success for American science were shaken this year when the Trump administration cut billions of dollars in funding and fired thousands of scientists.

Recent U.S. decisions about vaccines signal bigger changes to come that could threaten the foundation of the national childhood immunization schedule.

That day is the center of “Impact: The End of the Age of the Dinosaurs,” a new exhibition at the American Museum of Natural History in New York City. “There’s no doubt — well, arguably at least — that ...