A small bone found 30 years ago at Dinosaur Cove in southeastern Australia could turn what we know about the evolution of echidnas and platypuses on its head.

A rarely seen species of whale became stranded alive on a North Carolina island, only to perish before help could arrive, according to researchers. The discovery was made Wednesday, April 23, at ...

Imagine standing on a muddy riverbank 50 million years ago and seeing a strange creature lumbering by—part crocodile, part ...