Clyde Tombaugh, who was born on this day in 1906, grew up on a farm in Kansas and was captivated by sights of the moon and ...

The heart's brightness arises from sunlight reflection, while red patches, formed by tholins, showcase Pluto's atmospheric ...

Hubble spots white dwarf star 'snacking' on chunk of Pluto-like object. The NASA/ESA Hubble Space Telescope has spotted a white dwarf star devouring a piece of a Pluto-like object. The star is about ...

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 ...

The discovery of another moon around Pluto is exciting news for planetary science, but it's also likely causing some anxiety for the team in charge of New Horizons, a spacecraft set to be the first ...

These icy bodies orbit the sun just like the major planets, yet they follow their own rules, often traveling along elongated ...

Pluto did in fact both bend and accelerate the trajectory of New Horizons when the spacecraft reconnoitered the dwarf planet in 2015, but only very slightly. There are three reasons the trajectory ...

It's showtime for Pluto. NASA's New Horizons spacecraft has traveled 3 billion miles and is nearing the end of its nine-year journey to Pluto. Sunday, it begins photographing the mysterious, ...

On July 15, NASA’s unmanned spacecraft New Horizons is expected to encounter its primary target of Pluto. It’s a project nine years in the making, and with 3 billion miles recorded, it is the longest, ...

Add Yahoo as a preferred source to see more of our stories on Google. On January 19, 2006, NASA launched a spacecraft to Pluto! New Horizons is a spacecraft about the size of a grand piano, and it ...