Earth may have had rings like Saturn many, many millenia ago. However, the formation didn’t last long, and it eventually collapsed, falling to the surface of our planet, leaving craters where ...

Once upon a time, Earth may have sported a planetary ring of its very own ... The four giant planets have rings, and there's ...

Our circumstances here on the wondrous, life-supporting Earth can give us a false understanding of what the universe is ...

How did Earth, alone among the solar system's rocky planets, become the home for life? How, among all this frigid ...

PARIS, July 17: Astronomers said Wednesday they had observed the moment when planets start forming around a distant star for the first time, revealing a process that sheds light on the birth of our ...

Astronomers have called for help to identify a mystery object that may have hit Saturn on Saturday in what could be the first ...

Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars ...