When NASA’s New Horizons spacecraft flew by Pluto, Earth watched and celebrated. “The target didn’t disappoint,” says Principal Investigator S. Alan Stern. “It’s absolutely stunning.” And even though ...

Discover the incredible story of NASA's New Horizons mission, from its 2006 launch aboard an Atlas V rocket to its historic ...

CAPE CANAVERAL, Fla. — NASA’s New Horizons spacecraft has sent back the last bit of data from its 2015 flyby of Pluto. The picture — one of a sequence of shots of Pluto and its big moon, Charon — ...

Cleveland Browns Scribbles: What would it be like for fans if Browns were having a season like Kansas City? -- Terry Pluto Johnny Manziel impresses Cleveland Browns with his grit and willingness to ...

Mountains of water ice tower thousands of meters over fields of frozen nitrogen and methane. Glaciers etched with channels hint at heat bubbling up from below. A patchwork of new and old terrains — ...

Cleveland Cavaliers taking a wiser, tougher approach to a title run this season -- Terry Pluto (photos, video) Terry Pluto talks Cavaliers media day, Johnny Manziel and Carlos Santana: Podcast Talk ...

2015 has been a great year for scientific discovery -- and an especially great year for space exploration. Here are some of the highlights: 1. Pluto In my opinion, Pluto really stole the show this ...

In 2006, several months after New Horizons launched into space, Pluto stopped being a planet. That was according to the world's top astronomers, who said the celestial body failed to meet one of the ...

After the spacecraft flew by Pluto, it took a look backward. From that vantage point, sunlight illuminated the dwarf planet’s hazy, surprisingly tall atmosphere. “The huge vertical extent of the haze, ...