Once upon a time, Earth may have sported a planetary ring of its very own. The hypothetical ring didn't last long, cosmically ...

Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature could explain a climate shift at the time.

And although the band of ancient craters is the only physical evidence such a ring ever existed, life on Earth likely ...

If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say.

The debris ring, which likely lasted tens of millions of years, may have led to global cooling and even contributed to the coldest period on Earth in the past 500 million years.. That's according ...

An illustration of Earth with a ring. Kevin M. Gill via Wikimedia Commons under CC BY 2.0. During a tumultuous period for our planet around 466 million years ago, Earth was pelted with meteorites ...

The 23-degree tilt of the Earth’s axis would have caused the ring to present its surface to the sun, casting a shadow in the atmosphere and on the ground below and causing global temperatures to ...

A view of the metal ring, nearly 8 feet wide, that fell from the sky into Mukuku village on Dec. 30 in eastern Makueni County, Kenya. Credit: Stringer/Anadolu via Getty Images ...

Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature could explain a climate shift at the time.

If Earth captured a passing asteroid around 466 million years ago, it could have ripped it to shreds and formed a ring. This debris would then rain down on the planet, focused on the equator, over ...