Scientists have spent decades cataloging life on Earth’s surface, from rainforest canopies to ocean trenches. But a growing body of research now shows that a vast, hidden biosphere thrives kilometers ...

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

Researchers investigating the origin of complex life on Earth might have just made a major breakthrough. The origin of humanity and the planet Earth is probably debated more than whether the chicken ...

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 ...

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 ...

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 ...

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

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 ...

For decades, experts have tried to explain how simple cells evolved into the complex organisms that make up plants, animals ...

Ben Woodcroft receives funding from the ARC. Adrián A. Davín does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has ...