Scientists have uncovered a new theory to explain how Pluto and its largest moon, Charon ... in an ancient "kiss and capture" event around 4.5 billion years ago. This brief encounter — lasting ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto turns out to have as much complexity as Mars or Earth, so much so that I ...

The love story between Pluto and Charon may ... Because Earth and the Moon are warmer and more gooey, especially during the early Solar System 4.5 billion years ago when they are thought to ...