At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

An international team of researchers has systematically measured the β-decay half-lives of 40 nuclei near calcium-54, ...

For most animals, losing fur would be a death sentence. Hair isn’t cosmetic in the wild, it’s survival gear. It protects ...

Viruses that infect bacteria can still do their job in microgravity, but space changes the rules of the fight.

Meet the walking shark, a species of shark that can walk on land, survive low oxygen environments, and reproduce without ...

One hundred years ago, a substitute teacher in Dayton, Tenn., was charged with the crime of teaching Charles Darwin's theory of evolution by natural selection. His name was John Scopes. At the time, ...

Skiing has a long history, and so do the planks we strap ourselves to and slide across snow. From the early days of nomadic Central Asian hunter-gatherers traveling cross-country on skis, to the long ...