Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

A new scientific study reveals that life recovered much faster than expected after the asteroid that wiped out the dinosaurs.

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 ...

Nitrogen, upon which all life on Earth depends, may hold the key for explaining how early life on the planet evolved and how it could evolve on other planets.

The Purple Earth Hypothesis has significant implications for the search for life on other planets.

The lab-made cosmic dust shows the same infrared signals as the dust found in outer space.

The discovery of catalytic RNA transformed our understanding of life's beginnings. Clare Sansom explores how the RNA world ...

Researchers are uncovering how a poisonous chemical could have helped life emerge.

Exhaust from lunar landers drifts across the moon and contaminates ultra-cold polar craters that are rich in ancient ice and ...

"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 ...