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

A large asteroid broken apart by Earth's gravitational pull could have formed a Saturn-like ring around the planet about 466 million years ago, a new study found.

The researchers' idea that Earth once had rings comes from reconstructions of Earth's plate tectonics from the Ordovician period—which ran between 485.4 million years and 443.8 million years ago ...

Ring on It. 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 ...

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 ...

Earth Earth may once have had a ring like Saturn. A ring of asteroid debris could have orbited Earth for tens of millions of years, and perhaps even have altered the planet's climate ...

The rings of Saturn are some of the most famous and spectacular objects in the Solar System. Earth may once have had something similar. In a paper published last week in Earth & Planetary Science ...

The new study asserts that Earth's ring formed around 466 million years ago and stuck around for around 40 million years before dissipating.