Add Yahoo as a preferred source to see more of our stories on Google. All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Plate tectonics may have played a larger role in the evolution of life on Earth than we ...

Life on Earth may have started with a molecule that still runs our cells today. As researchers probe ribonucleic acid in the ...

All life on Earth shares a common ancestor that lived roughly four billion years ago. This so-called "last universal common ancestor" represents the ...

For decades, many scientists have relied on the "hard steps" model to suggest that intelligent life is rare — the improbable result of a series of unlikely evolutionary leaps. But new research by ...

Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth shared a common ancestor.

Have you ever wondered how we got here on Earth, and how it all began? From the Archean Eon to the Holocene Epoch, some pretty amazing stuff has happened. Check out this SciShow mini-series hosted by ...

A composite view of the Earth constructed by NASA from multiple satellite images Editor at Large Human evolution is a story writ slow. It’s been about 3.8 billion years since life on Earth emerged and ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: All life on Earth can be traced back to a Last ...

The discovery of catalytic RNA transformed our understanding of life's beginnings. Clare Sansom explores how the RNA world ...