Whereas a moon usually orbits a planet, both Pluto and Charon orbit a point in space between them — their common center of mass. The other four moons in the system — Styx, Nix, Kerberos and ...

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

University of Arizona researchers have unveiled evidence of romance at the farthest reaches of the solar system: a cosmic ...

On Jan. 21, the sun will join forces with Pluto in Aquarius, stirring things up in a powerful way. Discover what this ...

Let’s talk about destruction and creation, burning towers, rock bottom, regeneration and using ashes as clay. Pluto, our ...

Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...

NASA launched the New Horizons probe which would provide never-before-seen images of the dwarf planet, its moons and other objects.

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Skywatchers: A six-planet alignment peaks this week as Mars, Jupiter, Uranus, Neptune, Venus, and Saturn come together for ...