Pluto and Charon may have formed through a “kiss and capture” mechanism, with the two icy bodies colliding and becoming ...

New models reveal Pluto and Charon may have spent some of their early history locked together in an embrace after a grazing ...

Pluto's big moon Charon may have a different origin story than scientists suspected. New research suggests the two bodies ...

January 5, 2005, is an astronomical anniversary that is not really marked but should be. It saw the discovery of dwarf planet ...

A few decades ago, the Solar System had nine planets, but in 2006 the International Astronomical Union reclassified Pluto as ...

Overturning decades of assumptions about how Charon formed, researchers have revealed an entirely new form of cosmic collision.

This "kiss and capture" mechanism offers a fresh perspective on planetary formation, particularly about Pluto and its largest ...

"We were definitely surprised by the 'kiss' part of kiss-and-capture. There hasn't really been a kind of impact before where ...

The newcomer replacing Pluto presently goes by “Planet Nine.” If and when it finally shows up, it will get the honor of a ...