From crow funerals to whales wearing wigs, animals do the strangest things ...

The discovery of this platypus-like ancient animal sheds new light on the early evolution of mammals.

Add Yahoo as a preferred source to see more of our stories on Google. Platypuses are monotremes, one of the oldest branches of mammals, and they reproduce by laying eggs instead of giving birth to ...

In the 1950s, it was believed we knew more about the surface of the moon than the deep seas on Earth. Since then, humans have landed on the moon’s surface and have dived nearly seven miles in a ...

Deep in a dried-up riverbed in Brazil, scientists uncovered a bizarre prehistoric mystery—twisted jawbones from a strange, long-lost animal unlike anything seen before. Dating back 275 million years, ...

Add Yahoo as a preferred source to see more of our stories on Google. When temperatures soar, humans aren't the only ones looking for relief. Animals have their own ways of handling extreme heat — and ...

WASHINGTON — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures that ...

There is something especially satisfying about seeing an image that makes absolutely no sense at first glance, only to realize just how carefully every strange little detail has been put together.

When it comes to animals romancing in the wild, things get weird—really weird. Some animals offer bizarre gifts, some put on daring dances, and others? Well, let's just say things get really messy.