Top paleontologists have discovered that mating between some species of prehistoric behemoths was so violent that they ...

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

Horseshoe crabs have survived 300 million years with little change. Their blue blood protects humans from bacterial ...

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

Finding a mate is hard in the animal kingdom! As these strangest animal mating rituals show, it sometimes gets even more ...

Cassowaries are large, flightless rainforest birds from Australia and New Guinea, who are the third tallest and second ...