Fossil skulls reveal how extinct mammals smelled the world, with new research linking olfactory bulb size to gene counts.

Tiny fossils trapped in amber have revealed a previously unknown creature that lived 30 million years ago that scientists are calling the "mold pig." Researchers say the fossil suggests a new family, ...

In modern times it would be called a chimera, a furry, fish-eating swimmer and burrower a bit bigger than a tree squirrel, with an otterlike body, teeth like a seal, webbed hind feet like a platypus ...

This video is no longer available. There’s not usually much activity in Northwest D.C.’s serene Mitchell Park. But did you know the rocky exterior wall holding the park’s hill in place at the corner ...