Just 48 short years ago, movie director George Lucas used the phrase "A long time ago in a galaxy far, far away" as the ...

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

Hello, Eos! Recently discovered molecular cloud is believed to be one of the largest structures in the sky and among the ...

Astronomers have detected a promising sign of a ninth planet lurking at the the farthest reaches of the Solar System.