If it weren't for the new budget, New Horizons could keep exploring the outer reaches of the solar system into the 2030s.

Because Pluto is so dim, you need a telescope to see it. “A backyard telescope could do it under the right conditions,” says ...

On July 14, 2015, the New Horizons space probe came within 7,800 miles of Pluto, providing NASA scientists with the clearest ...

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

On July 14, 2015, a spacecraft flew by Pluto for the first time! NASA's New Horizons spacecraft spent 9.5 years making the ...

NASA's iconic New Horizons probe, which explored Pluto and the outer solar system, faces potential shutdown due to proposed budget cuts by the White House.

New images of Pluto are beginning to arrive from NASA's space probe, and they're already allowing scientists to update what we know about the dwarf planet.

NASA’s New Horizons will be within 6,200 miles (9,978 kilometers) of Pluto on July 14, becoming the first spacecraft to do a flyby of the icy world.

Pluto’s moon Charon may have expanded when a sub-surface ocean froze, according to NASA. Images recorded by the New Horizons probe’s flyby show “pull apart” faults on Charon’s surface ...

Pluto is the tiniest planet in our solar system with a diameter of roughly 2,377 kilometers, making it even smaller than our ...

“This dramatic Pluto flyover begins over the highlands to the southwest of the great expanse of nitrogen ice plain informally named Sputnik Planitia,” NASA explains of the video.

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