Two enormous structures that sit at the border between the Earth's mantle and its core have puzzled scientists for decades.

Scientists have detected signatures in ancient rocks that push back the timeframe for the discovery of early life by billions of years.

"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 ...

Scientists have detected some of the oldest signs of life on Earth using a new method that recognizes chemical fingerprints ...

Life on Earth is complex and hard to understand, but new research may have finally given us a much-needed glimpse into the patterns that life follows as it spreads across our planet. According to a ...

Researchers have discovered chemical traces of life in rocks older than 3.3 billion years, offering a rare look at Earth’s ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. In the 1931 movie ...

NASA scientists, in collaboration with researchers from Japan's University of Toho, have used supercomputers to model the far future of Earth's habitability. Their findings offer a clear—if ...

It relates to the sun. It might sound like something out of an apocalyptic movie, but a supercomputer has predicted the end of the world. But don’t worry too much because it’s not supposed to happen ...