This composite image of Pluto, right, and Charon, its largest moon, showcases photos captured by NASA’s New Horizons spacecraft in July 2015. Unlike how scientists believe Earth's moon formed billions ...

The love story between Pluto and Charon may have started with a kiss. A new study suggests the dwarf planet and its scarcely smaller moon likely came together in a collision that saw them conjoined ...

Pluto landed its largest moon, Charon, with a 'kiss'—overturning decades of scientific assumptions about how planetary bodies form and evolve. This is the conclusion of a new study, conducted at the ...

This image of Kerberos was created by combining four individual images from New Horizons’ Long Range Reconnaissance Imager that were captured on July 14, approximately seven hours before the ...

A new study provides the best estimate to date of the diameter and heft of Pluto’s moon Charon and suggests that the satellite likely has no atmosphere. Charon is the largest known moon in relation to ...