It even has a small moon.

Thanks to the sheer mass of Jupiter and fellow gas giant Saturn, the Solar System barycenter is rarely in the center of the Sun, and often outside of the Sun altogether, as the video below from ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...

While Galileo's observations killed off the old model, we would need to wait centuries for conclusive evidence that Earth ...