The ring would have gradually fallen to Earth as meteorites, correlating to a spike of impacts seen in the geological record.

Earth and Saturn might be a lot more similar than previously thought. In a new study, a team of researchers suggests that 466 million years ago, a ring system made up of asteroid remnants may have surrounded our planet,

Earth may have had rings. At least that's what a new study published this month claims. Here's what we know so far.