For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

In an investigation to find out what sparked life on Earth, researchers have discovered that RNA formed through surprisingly ...

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

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth.

Tantalizing clues in 4-billion-year-old asteroid Bennu samples could reveal particular molecular formations that some ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that led to biology, or when the first primitive life forms appeared.

New research suggests that amino acids, the fundamental components of life, may have arrived on Earth carried by interstellar ...

New experiments suggest RNA, life’s essential molecule, could have formed naturally on early Earth and even arrived from ...

"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 ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier ...

This is a colored view of the C-type asteroid 162173 Ryugu, seen by the ONC-T camera on board of Hayabusa2. Filters: vwx date:2018-07-12 08:01 Image level: 2b (Images after hardware correction and ...

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, ...