A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...
Saturn’s rings are iconic, but new evidence suggests Earth might once have sported one of its own. This ring would have ...
Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite ...