How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

A rare kind of meteorite known as enstatite chondrite resembles Earth's composition roughly 4.5 billion years ago. The key to their counterargument resides in a rare type of space rock called ...

An ancient asteroid older than Earth itself has reignited debate over whether life began in space. NASA's Bennu discovery ...

DNA from Icelandic lava flows reveals how microbes move into a brand-new habitat, offering insights into early life on Earth and volcanic worlds like Mars.

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 ...

Earth is so far the only known planet on which life exists—with liquid water and a stable atmosphere. However, the conditions were not conducive to life when it formed. The gas-dust cloud from which ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." For 400 million years, a leading hypothesis claims, Earth was an “RNA World,” meaning that life must’ve ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Water is at the center of one of the enduring questions about how ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you will learn when you read this story: Abiogenesis—the emergence of ...

A Massive New Study of 20,000 Adults Says This Is What Happens When You Start Going to Bed Early NewJeans member Danielle ...

For now, life thrives on our oxygen-rich planet. But Earth's atmosphere won't always be so welcoming. In fact, scientists predict that Earth will eventually undergo a drastic atmospheric shift—one ...

During the formose reaction, formaldehyde molecules (red) spontaneously and repeatedly react with each other to create larger molecules. Scripps Research scientists show that this reaction does not ...