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, ...

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

It is thus only fitting for a goddess to be named for none other than the door hinge: Cardea. And now, thanks to Clay ...

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 ...