Life on Earth started some time before 3.5 billion years ago, although it was clearly in no rush to become the vast network ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of what Prototaxites may have looked like 400 million years ago. - Matt Humpage Some 400 million years ago, ...

A newly discovered trove of fossils in southwestern China is shifting the timeline of when complex animals evolved.

Learn how a flip in Earth's magnetic field may have caused changes in the radiation on our planet.

Fossils in China show that complex animals existed before the Cambrian explosion, changing our understanding of how life ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in ...

To an astronaut today, the Earth looks like a vibrant blue marble from space. But 700 million years ago, it would have looked like a blinding white snowball. This seems an unlikely cradle for life, ...

Our planet plunged into one of the most dramatic climate states in its long history, approximately 720–635 million years ago. During a period geologists call Snowball Earth, ice sheets crept from the ...