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 ...

"By following universal paralogs," says Kaçar, "we can connect the earliest steps of life on Earth to the tools of modern ...

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

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...

"This is the story of Earth like you’ve never seen it before—from the first spark of life to prehistoric monsters to the rise of humans… and all the weird stuff in between." We live on a magnificently ...

Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...

Scientists believe they’ve found evidence that life on Earth is over a billion years older than anyone believed was realistic. New research used machine learning to scan ancient meteorites and fossils ...

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 ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.

"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 ...