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 ...

But on Charon, Pluto's nearest moon, they found this most familiar of geological features. There was more, on Pluto itself, that recalled the American mid-west. Dark streaks on Pluto's plains ...

“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 ...

Mankind has followed them since ancient times, in addition to our two luminaries: the sun and the moon. PEOPLE's resident ... Neptune and Pluto. “Jupiter and Saturn are the only outer planets ...

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 ...