Pluto was once considered one of the solar system’s planets but was later downgraded to the status of ‘dwarf’ planet after several more similarly sized objects were discovered throughout our solar ...

Debate has raged for two decades over whether Pluto should be considered a planet. Some want President Trump to take action via executive order.

CAPE CANAVERAL, Fla. -- Little Pluto is a little bigger than anyone imagined. On the eve of NASA's historic flyby of Pluto, scientists announced the New Horizons spacecraft has nailed the size of the ...

(MEDIA GENERAL) – Astronomy enthusiasts, take note. NASA’s New Horizons spacecraft is three months from an “unprecedented flyby” of Pluto. The exploratory spacecraft is expected to return the ...

Astronomer Clyde Tombaugh could not have known how fitting it was to call his new planet Pluto, after the Roman god of the underworld. In the 76 years since Tombaugh discovered the solar system’s ...

NASA ’s New Horizon’s probe reached Pluto today. In honor of its arrival, here are nine facts about the former ninth planet. In 2006, the New Horizons probe was launched (Pluto was still considered a ...

CAPE CANAVERAL, Fla. (AP) — The spotlight is bright enough to thaw even Pluto. Well, not quite, but the tiny, icy world is getting front-page, prime-time attention for its first visit by a spacecraft ...

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