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

Discover the top 7 oldest rocks in the world, their ages, locations, and scientific importance. Learn how these ancient ...

Scientists at the Carnegie Institution for Science used a powerful combination of cutting-edge chemistry and artificial ...

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

Researchers use machine learning to find chemical proof of life on a 3.3 billion-year-old rock formation in South Africa.

Scientists uncover new evidence of early life on Earth using advanced molecular analysis and machine learning.

"We are really trying to understand how far we can go, chemically, toward larger biological molecules and what environments are needed to form them." Researchers have created a "fingerprint" of a ...

"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 ...

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 ...

The question of when life began on Earth is as old as human culture. “It’s one of these fundamental human questions: When did life appear on Earth?” said Professor Martin Whitehouse of the Swedish ...