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Scientists determine that white mountains previously discovered on Pluto during "New Horizons"{{'}} flyby owe their color to methane frost directly condensed from the atmosphere, rather than snow.
2020-10-13

Pluto, the eponymous member of the plutino group, is discovered to have dunes of methane ice.
2018-05-31

NASA announces the return of the final piece of data collected during "New Horizons"' flyby of Pluto in July 2015. The data, taking about five hours at light speed to travel across 5.5 billion kilometers (3.4 billion miles), arrived at the Johns Hopkins Applied Physics Laboratory on the morning of October 25.
2016-10-27

Astronomers announce the discovery of V774104, the most distant object yet found in the Solar System, a dwarf planet orbiting at three times the distance of Pluto.
2015-11-11

NASA publishes the first close up photos of Pluto from the New Horizons spacecraft. They show geologically young mountains made of water ice.
2015-07-15

NASA's "New Horizons" spacecraft completes a historic flyby of the dwarf planet Pluto and its five moons. Measurements, along with many high-quality photos and reams of data, were taken, including conclusive information regarding the diameter of Pluto and its moons.
2015-07-14

NASA's New Horizons spacecraft reawakens at 20:00 UTC in preparation for observing the dwarf planet Pluto and its satellites. New Horizons, launched on January 19, 2006, will begin distant observations on January 15, 2015, culminating with its July 14, 2015 closest approach flyby.
2014-12-6

New images of the dwarf planet Pluto reveal rapid changes on its surface.
2010-02-5