NASA launched a spacecraft to Pluto! New Horizons is a spacecraft about the size of a grand piano, and it became the first ...

Although a thin atmosphere was detected on Pluto by the New Horizons probe during its 2015 flyby, scientists believed at the time that Charon was simply too small to maintain an atmosphere.

NASA’s New Horizons spacecraft has been speeding through space since early 2006 and it’s about to make what might be its most interesting flyby to date. After speeding past Jupiter and Pluto ...

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

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

(CNN) — For decades, astronomers have tried to determine how Pluto acquired its unusually large moon Charon, which is about half the size of the dwarf planet. Now, new research suggests that ...

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