In 2006, the year New Horizons was launched, Pluto vanished from the list of planets ... In one image, it was to the left of two bright stars. In the next, it had jumped a few millimeters to ...

Unlike Earth, where the Moon orbits the planet, Pluto and Charon orbit each other, forming a binary system that is more ...

An curved arrow pointing right. It took NASA's New Horizons spacecraft over nine years to reach the distant world of Pluto, but it was well worth the wait. This video reveals six weeks of images ...

There are practical and sentimental reasons for that—Pluto has tantalizing mysteries to unlock that New Horizons, the most recent spacecraft to visit the system, only added to. To research those ...

Pluto's 'Heart' Was Likely Broken by an Asteroid Long Ago ...

In July, NASA's New Horizons spacecraft took us to Pluto for the first time. The photos the craft sent back so far have astounded researchers. New Horizons principal investigator Alan Stern says ...

Until now, the thinking was that Pluto and Charon formed like Earth and our Moon. New research has flipped that script.

Artistic representation of the huge and slow impact on Pluto that led to the heart-shaped Sputnik ... [+] Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever ...

On July 14, 2015, the New Horizons spacecraft, one of the most advanced ever built, is scheduled to fly by Pluto to take the very first detailed images of the dwarf planet. After nine years and 3 ...