"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 ...

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 on Earth has been knocked flat more than once, yet the rock record keeps revealing how quickly complex ecosystems can roar back. The latest jaw dropping fossil trove from southern China captures ...

The impact of the asteroid in present-day Yucatan wiped out almost all life on Earth. It recovered faster than previously ...

Modern cells are complex chemical entities with cytoskeletons, finely regulated internal and external molecules, and genetic ...

The Cambrian Explosion in which life on Earth underwent massive diversification was likely triggered by eccentricities in Earth’s orbit around our Sun. Or so say the authors of a new paper just ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. The scientific community is largely divided into two camps ...

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 ...

Here’s what you’ll learn when you read this story: All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A study suggests that this organism likely lived on Earth only 400 ...