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

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

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

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 ...

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

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