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 ...

New Horizons sends back best photos yet as probe closes in on Pluto. New color images from NASA’s New Horizons spacecraft show two very different faces of the mysterious dwarf planet, one with a ...

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

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 ...

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 ...

In a span of 30 years — from the first moon rockets in 1959 to the Voyager 2 flyby of Neptune in 1989 — NASA spacecraft introduced the world to close-up views of the bodies in our solar system.

CAPE CANAVERAL, Fla. -- Pluto is considered a planetary oddball -- a tiny, frozen world so unlike the other planets that some astronomers doubt whether it even deserves to be called a planet.

CAPE CANAVERAL, Fla. (AP) — An unmanned NASA spacecraft the size of a piano is set to lift off Tuesday on a nine-year journey to Pluto, the last unexplored planet in the solar system. Scientists hope ...

Clyde Tombaugh noticed a speck of light that was Pluto in 1930. — -- Clyde Tombaugh is finally getting to visit the speck of light he spotted at the edge of the solar system in 1930. New Horizons ...

Nearly 200 Cornell students and faculty members gathered in Schwartz Auditorium Wednesday, to hear Cathy Olkin and Ann Harch — two lead scientists on NASA’s New Horizons spacecraft, which flew by ...