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

This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...

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

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