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

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

The Delta College Planetarium in downtown Bay City offers a slew of events each week intersecting the lines science and ...

What’s more, data from Juno’s Io flybys has revealed the subsurface temperature profile of Io, the innermost of the four ...

They reveal a whole new level of detail in these planet-forming systems. Breakthroughs, discoveries, and DIY tips sent every ...