A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding ...

Australia's burrowing echidna evolved from a water-dwelling ancestor in an "extremely rare" biological event, scientists said ...

Chimpanzees are often cast as a mirror to our darkest tendencies, embodying violence, territoriality and power struggles. In ...

What if you are not a natural extrovert, but you are in a new place and need to make new friends? Here I discuss three practical suggestions based on decades of research ...

Professor Emily Jane McTavish and colleagues at the Cornell Lab of Ornithology have mapped the evolution of every known bird ...

Recent findings indicate that dire wolves and gray wolves are distantly related, having diverged about 5.7 million years ago ...

We may have gotten the evolutionary origins of the echidna backward, as new research suggests its ancestors probably lived in ...

The creation of three "dire wolf" pups has raised hopes that it may be possible to resurrect extinct animals. But some scientists have grave concerns. Swathes of scientific data deletions are ...