Recently researchers uncovered fossils of what they believe to be a new species of prehistoric animal "worm lizard ... and reportedly lived around 50 million years ago in the Eocene epoch ...

A million years ago, a species known as Homo erectus most likely survived in an arid desert with no trees. By Carl Zimmer ...

Life on Earth began over four billion years ago, not long after the Earth was formed. It wasn’t until the late Triassic period (approximately 225 million ... ancient animals that live on ...

Their land-dwelling ancestors lived about 50 million years ago. Meet Pakicetus, a goat-sized, four-legged creature that scientists recognise as one of the first cetaceans (the group of marine animals ...

Cambrian shell fossils reveal predator-prey battles shaped evolution, as predators attacked and prey adapted by developing ...

Here are four animals that managed to persist through ... are the decendents of earlier sharks that inhabited ... [+] Earth 400+ million years ago. We often look at sharks with fear, but it ...

But most animals that light up are found in the depths of the ocean. In a new study, scientists report that deep-sea corals that lived 540 million years ago may ... when life on Earth evolved ...