Scientists have detected evidence of landslides on Pluto for the first time. A paper published in the journal Icarus reports ...

For years, Pluto was viewed as a distant, frozen world whose dramatic landscapes seemed locked in time. A new study published ...

February 18 marks the discovery of Pluto by astronomer Clyde W. Tombaugh. The discovery reshaped the understanding of the solar system, as Pluto was long considered the ninth planet until the ...

A new James Webb Space Telescope study has identified a very specific wavelength of light missing from both Pluto and ...

An Arizona observatory where Pluto was discovered turns a summer night into a dreamy mix of stargazing and history.

FLAGSTAFF – Clyde Tombaugh sat in the Orpheum Theater that fateful night in February 1930, waiting for clouds to pass before the 24-year-old astronomer could return to Lowell Observatory to confirm ...

NASA's New Horizons spacecraft completed its swift flyby of Pluto after a nine-year journey. The mission prioritized data ...

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence of ...

An image of Pluto taken by NASA's New Horizons spacecraft on July 13, 2015. The planet was first discovered by Clyde Tombaugh, who graduated from high school in rural Kansas and went on to earn his ...