Scientists have discovered a new type of planetary collision called “kiss-and-capture,” where Pluto and proto-Charon briefly ...

This composite image of Pluto, right, and Charon, its largest moon, showcases photos captured by NASA’s New Horizons spacecraft in July 2015. Credit: NASA / JHUAPL / SwRI Unlike how scientists ...

On January 19, 2006, NASA launched a spacecraft to Pluto! New Horizons is a spacecraft about the size of a grand piano, and it became the first spacecraft to fly by Pluto. It launched from Cape ...

This mission marked the first time a spacecraft was sent to explore Pluto, providing unprecedented images and data about the celestial object and its surroundings. Multimedia editor Rob Landers ...

Charon is made mostly of water ice. When the New Horizons spacecraft flew past Pluto and Charon in 2015, it imaged only one side of Charon. It found that Charon's north polar region, called Mordor ...

This week, uncover some of the oldest ice on Earth, follow a dinosaur highway, learn how Pluto sealed the capture of its moon Charon with a “kiss,” and more.

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. For decades ...

A four-year-old boy's curiosity about planets has inspired him to write his first children's book. Viaan Mundeja-Gupta, who ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.