Impact craters found around the Earth that were made around the same time could be linked to debris falling from a ring, a new study suggests.

From Grace Earth may have had its own ring system that formed around 466 million years ago, lasting for tens of millions of years. As detailed in a new study published in the journal Earth and Planetary Science Letters,

Researchers have found evidence suggesting that the Earth may have once had a system of Saturn-like rings. The rings are theorized to have formed 466 million years ago during one of the coldest periods in the planet's history, known as the Ordovician.