A new classification scheme may help us better understand planet formation — including the history of our own family of worlds.

The findings provide strong evidence that four giant exoplanets 130 light-years from Earth formed much like Jupiter and ...

TN17 is estimated to be around 540 feet in diameter, which is greater than the height of the Pyramid of Giza in Egypt (449 ...

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.

Quantitatively upstaging Earth’s guest appearance of a second moon this fall, a recent study found that Saturn has 128 new ...