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, ...

This once-in-a-generation shift is a pivotal power play in a saga that will unfold in the years and decades to come.

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 ...

We know about Pluto. But we don’t really know it ... 2 spacecraft had swept through the realm of the giant planets and revealed the real mass of Neptune. When that number, which is the ...

A powerful change is coming when Pluto shifts into Aquarius on January 21, 2025. Discover what this moment in astrology means ...

A new study suggests that the origin of Pluto's largest moon was quite different than our own. Here's what you need to know.

The newcomer replacing Pluto presently goes by "Planet Nine." If and when it finally shows up, it will get the honor of a real name, but so far, the evidence for this hypothetical planet is all ...

For decades, astronomers suspected that Pluto and Charon formed through a process similar to Earth and the Moon. This theory, ...

The word "planet" never had an official definition ... astronomers began to find more objects that shared similar orbits with ...

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