Planets don't get much more iconic than Saturn. But if you managed to see it through a backyard telescope right now, you wouldn't see its rings.

Scientists estimate there are ~1 septillion (1 followed by 24 zeros) planets in the observable universe. This figure is based ...

Does it rain diamonds on Neptune and Uranus? Scientists uncover how extreme pressure and temperature deep inside these ice giants create a continuous diamond rain.

Sci-fi author Asimov feared embarrassment might come out of one project, so he decided to create an alter ego.

The solar system was packed with 50 to 100 protoplanets billions of years ago. Not all of them lived to tell the tale of the ...