It took over nine years for New Horizons to reach Pluto after blasting off atop an Atlas 5 rocket on Jan. 19, 2006. After ...

Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

New Horizons was aimed at an extremely small target millions of miles away — so much so that mission scientists compared the feat of reaching the Pluto system to hitting a hole-in-one from ...

New Horizons has sent back another set of images from its Pluto flyby — and they’re just as fascinating as what we saw earlier this week. The video up top is a simulated flyover of the 11,000 ...

See photos from NASA's New Horizons mission to explore the dwarf planet Pluto. New Horizons launched in 2006 and flies by Pluto in July 2015.

A couple of pictures from NASA's New Horizons probe appear to show clouds over Pluto, but scientists are still discussing the data.

New close-up images of Pluto from NASA’s New Horizons spacecraft reveal a bewildering variety of surface features that have scientists reeling because of their range and complexity.

The New Horizons spacecraft has sent back the first few of a series of the sharpest views of Pluto it obtained during its July flyby.

On July 14, New Horizons will zoom within just 7,800 miles (12,500 kilometers) of Pluto, snapping history's first up-close photos of the dwarf planet's mysterious surface.

The New Horizons probe flew past Pluto and its moons early Tuesday morning. For images from the Pluto flyby, see New Horizons Reveals Ice Mountains on Pluto. July 13: Worth the Wait The last image ...

It was one of the most ambitious missions for NASA since the turn of the century, with photos reshaping what scientists know ...

Science New Horizons returns first new images of Pluto As it makes its way towards its historic encounter with the icy dwarf planet, the New Horizon's probe has started returning images.