A breakthrough experiment, published in the Proceedings of the National Academy of Sciences, offers compelling support for ...

Life on Earth exists in places once thought completely uninhabitable. This video explores the most extreme creatures known to science and the conditions they endure. From crushing pressure to toxic ...

The new findings strengthen the "RNA world" hypothesis that describes how the first life on Earth could have used RNA instead ...

"Consciousness," although challenging to define, can be thought of as a first-person awareness of one's surroundings and oneself. You sense the world through your eyes, nose, ears and hands, and track ...

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 ...

It is the ultimate mystery of biology: How did life begin? A team of Harvard scientists has brought us closer to an answer by creating artificial cell-like chemical systems that simulate metabolism, ...

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 ...

An international collaboration has published groundbreaking research, shedding light on the most significant increase in complexity in the history of life's evolution on Earth: the origin of the ...

For decades, scientists have been baffled by two enormous, enigmatic structures buried deep inside Earth with features so vast and unusual that they defy conventional models of planetary evolution.

"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 ...