When NASA’s New Horizons spacecraft flew past Pluto in 2015, it transformed our understanding of the distant dwarf planet. What scientists discovered was far more complex than expected: towering ...

For decades, Pluto remained one of the most mysterious objects in our solar system, until July 14, 2015, when NASA's New Horizons spacecraft became the first mission to visit it up close, capturing ...

(MEDIA GENERAL) – As NASA spacecraft New Horizons continues its way through space, scientists and science enthusiasts have taken to social media to express their feelings on Tuesday’s historic Pluto ...

FLAGSTAFF, Ariz. (AP) — The observatory where Pluto was discovered is taking full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation ...

When NASA's New Horizons spacecraft sped by Pluto in 2015, it revealed an incredible world of ice and haze carved by various geological processes — hinting that an ocean may have played a role in the ...

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MOUNTAIN VIEW, Calif. -- NASA just received a signal back from New Horizons, confirming a successful first flyby of Pluto. Euphoria broke out at NASA as Pluto is now the most distant object reached by ...

NASA's New Horizons spacecraft pulled off the most distant exploration of another world Tuesday, skimming past a tiny, icy object 4 billion miles from Earth that looks to be shaped like a bowling pin.

A few short hours after the New Horizons spacecraft zooms by Pluto at 31,000 mph Tuesday morning, it will turn, point its radio toward Earth and -- hopefully -- check in to say everything went OK.

NASA's New Horizons spacecraft snapped the first high-resolution photographs of Pluto and its moons this week. The images reveal the planetary system in unprecedented detail — highlighting mountain ...

full advantage of a flyby of the icy dwarf planet Tuesday with astronomy-themed face painting, an extra Pluto presentation and a live NASA stream that will tell the world whether the mission was ...