The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.

In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that ...

“Over millions of years, material from this ring gradually fell to Earth, creating the spike in meteorite impacts observed in ...

A new study from Monash University scientists suggests that Earth may have had a ring system that formed around 466 million ...

Earth may briefly have had a ring system similar to Saturn ’s over 450 million years ago during a period of unusually intense ...

To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician period – the second of six periods in the ...

We measured the amount of land mass at latitudes higher than 30 degrees (ie ... This cooling event occurred during the late Ordovician period, around 445–443 million years ago, and is characterized by ...

This period, which occurred near the end of the Ordovician, is recognized as one ... Only 30% of the suitable land area was determined to have been close to the equator, yet all the impact craters ...

Saturn’s rings are iconic, but new evidence suggests Earth might once have sported one of its own. This ring would have ...