"We got a report that somebody was trying to give a hawk away on Craigslist." Lawmakers rush to pass new law following ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

New dinosaur Enigmacursor clarifies taxonomy and highlights overlooked species in the Morrison Formation. A small dinosaur ...

A group of scientists studying pregnancy across six different mammals—from humans to marsupials—uncovered how certain cells ...

An ichthyosaur preserved beneath a Chilean glacier is helping scientists understand the extinct animals and the world around them as a supercontinent broke up.