One of the most anticipated pieces of space hardware will be looking for one of the solar system's biggest mysteries.

June 1, 2016

The first alien world we visit may actually be in our own solar system.

June 1, 2016

Astronomers just discovered new evidence of a 9th planet in our solar system.

March 29, 2016

Astronomers set out to prove that Planet Nine does not exist. As it turns out, they may have done the exact opposite.

January 21, 2016