A fossilized horseshoe crab pulled from the famous Mazon Creek...

A new Japanese study of 377 adults suggests that owning...

Bonobo mating may look chaotic to human eyes, but new...

A fossilized skull, tucked in a museum drawer for more...

For decades, biologists have suspected a fundamental bargain in nature:...

Across multiple sites in sub-Saharan Africa, researchers have identified a...

Seventy million years ago, a crocodile relative almost as long...

A bright yellow spider species, which reaches the size of...

Urban raccoons across the United States are beginning to look...

The buff-leaf hawkmoth has evolved an unusual way to defend...

How do human relationships compare with those of other mammals?...