A 6-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility January 17th and 18th. We ...

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...

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.

Pluto's big moon Charon may have a different origin story than scientists suspected. New research suggests the two bodies ...

Using computer models, researchers studying Pluto and its moon, Charon, have discovered an unforeseen kind of cosmic ...

Pluto and Charon may have formed through a “kiss and capture” mechanism, with the two icy bodies colliding and becoming ...

Simulations suggest Pluto and its largest moon may have gently stuck together for a few hours before Charon settled into a ...

This week, uncover some of the oldest ice on Earth, follow a dinosaur highway, learn how Pluto sealed the capture of its moon ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...