Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

Killing the protected animals may be the only way to stop them from eating too many of the Pacific Northwest’s endangered ...

Archaeologists recently uncovered the remains of a young man who lived 6,000 years ago — and survived a brutal encounter with ...

Here at the southern tip of the Great Barrier Reef, you’re practically guaranteed to see them. Descending toward this ...

These "total monsters of fishes" are extinct today, though new clues about their lives come from CT scans and their closest ...