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

Scientists propose Pluto and its moon Charon formed through a "kiss and capture" event 4.5 billion years ago, challenging ...

Some 4.5 billion years ago, the dwarf planet Pluto was suddenly joined by a companion. For a very brief period — perhaps only ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

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