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

The new planetary system is forming around the baby star HOPS-315 1,300 light years from Earth in the Orion Nebula ...

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 ...

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

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

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