I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and the planets and the stars and the sun would have looked

Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly influencing the planet's climate.

Saturn’s rings are among the most beautiful features on any planet within our galaxy. Recently, a group of Australian scientists found that the Earth may have been surrounded by its own rings millions of years ago.