Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Famously known for ...

Amid the cold silence of the main belt, a giant rock drifts through space. It has existed for billions of years unchanged, but today, it will be irrevocably broken. Another rocky object hurtles toward ...

From the surface, Earth looks like a relatively ordinary rocky planet, wrapped in clouds and a thin blue atmosphere. A new line of research argues that, hundreds of millions of years ago, it may have ...

Researchers have found evidence suggesting that Earth may have had a ring system, which formed around 466 million years ago. Scientists have found evidence that Earth may have once had a ring system ...

Saturn sports some of the coolest bling of any planet in our solar system. Its nine rings, which are mainly comprised of dust, rock and ice, have been the subject of scientific research for years.

None of the moons in our solar system possess rings today. But a new study indicates that such rings, if created, could remain stable for a million years, even while being gravitationally pulled by ...

Add Yahoo as a preferred source to see more of our stories on Google. A large asteroid broken apart by Earth's gravitational pull could have formed a Saturn-like ring around the planet about 466 ...

(CNN) — Famously known for its extensive ring system, Saturn is one of four planets in our solar system that have the distinctive feature. And now, scientists hypothesize that Earth may have sported ...