NASA’sNew Horizons spacecraft has delivered extraordinary video footage showing towering ice mountains on Pluto’s moon Nix.

Recent scientific modeling has proposed a fascinating theory about how Pluto captured its largest moon, Charon. The theory suggests a novel “kiss and capture” event, where the two celestial bodies ...

Finally, a family portrait of Pluto is beginning to emerge! For the first time ever, astronomers have captured two never-before-photographed moons orbiting Pluto. NASA's New Horizons spacecraft ...