Pluto may have been downgraded from full-planet status, but that doesn't mean it doesn't hold a special place in scientist's ...

What did NASA’s New Horizons find around Pluto? This groundbreaking mission unveiled a world of surprisWhat did NASA’s New ...

When did Pluto become a planet? When Pluto was discovered by Clyde Tombaugh in 1930, scientists were searching far and wide ...

Mapping Pluto Broken Heart | This image was taken by the New Horizons Long Range Reconnaissance Imager (LORRI) on the morning ...

Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system A color-enhanced photo of Pluto that was captured by the New Horizons spacecraft in ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

Artistic representation of the huge and slow impact on Pluto that led to the heart-shaped Sputnik ... [+] Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever ...

Astronomers were comfortable with those classifications even when Clyde Tombaugh discovered Pluto in 1930. But that new planet was a stretch — it had a really wonky orbit and was far smaller ...

The changing faces of Pluto| The predominant color of Pluto's surface is thought to result from ultraviolet radiation from the distant Sun breaking down methane on the planet's surface, leaving a dark ...