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 ...

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 ...

After a near miss with an asteroid 466 million years ago, Earth may have developed a Saturn-like ring of debris that lasted for tens of millions of years – and may have significantly affected the ...

There’s an extremely good chance that Earth once did have a ring system. There’s an extremely good chance that Earth once did have a ring system. At least, that’s the proposal by a recent study that ...

(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 ...

Not only does the new hypothesis shed light on the origins of the spike in meteorite impacts, but it also may provide an answer to a previously unexplained event: A global deep freeze, one of the ...

(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 ...