Pluto will complete its first orbit since 1930 in 2178, a historic 248-year space journey that spans generations of humans.

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 ...

Yesterday afternoon, NASA lost contact with its New Horizons spacecraft for an hour for reasons unknown. This is generally not a good thing when you’re working with technology that’s 4.5 light hours ...

It's official: NASA's New Horizons spacecraft has gotten humanity's first up-close look at Pluto. The spacecraft sent word of its triumph Tuesday across 3 billion miles to scientists waiting ...

As New Horizons passed Pluto in July 2015, did the dwarf planet alter the probe's trajectory? Douglas Kaupa Council Bluffs, Iowa Pluto did in fact both bend and accelerate the trajectory of New ...

It may look a little blurry, but the bright orange-tinted circle in the middle of the photo above is the first color image of Pluto and its largest moon, Charon. The image was taken by the Ralph color ...