The next time you go wild swimming, whether in a lake, river or sea, you are probably sharing the water with one of your tiniest, yet closest relatives. Subscribe to our newsletter for the latest ...

For over a century, scientists have wrestled with one of biology’s most fundamental mysteries: how the first animals evolved. These earliest creatures emerged more than 600 million years ago in ...

Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto the land, and it took another 100 million years for the first animals with ...