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 ...

When New Horizons flew past Pluto in 2015, it revealed a surprisingly active, icy world full of unexpected landscapes, glaciers, and possible cryovolcanoes. Despite being reclassified as a dwarf ...

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 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. This high-resolution image captured by NASA's New Horizons spacecraft combines blue, red and ...

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 ...

CAPE CANAVERAL, Fla. (AP) — In a day of both jubilation and tension, scientists anxiously waited Tuesday for NASA’s New Horizons spacecraft to send word across 3 billion miles and confirm it got ...

On Tuesday, July 14th of 2015, NASA's New Horizons spacecraft made its closest encounter with Pluto after a near-decade trek through our solar system. Clyde Tombaugh first discovered Pluto in February ...