A new theory about Pluto’s largest moon, Charon, could alter how planetary systems are taught in U.S. schools. Scientists ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

Full Moons have been romantic, beautiful, and mysterious since the beginning of time. Full Moons are known as times of ...

Pluto and its largest moon Charon could have come together via a 10-hour “kiss-and-capture” encounter after a grazing ...

Shortly after sunset, the southwestern horizon is playing host to the stunning planetary conjunction, offering skywatchers a ...