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How Big Is Pluto? New Horizons Settles Decades-Long Debate
How Big Is Pluto? New Horizons Settles Decades-Long Debate

NASA's New Horizons mission has answered one of the most basic questions about Pluto-its size. Mission scientists have found Pluto to be 1,473 miles (2,370 kilometers) in diameter, somewhat larger than many prior estimates.
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How Big Is Pluto? New Horizons Settles Decades-Long Debate
How Big Is Pluto? New Horizons Settles Decades-Long Debate

NASA's New Horizons mission has answered one of the most basic questions about Pluto-its size. Mission scientists have found Pluto to be 1,473 miles (2,370 kilometers) in diameter, somewhat larger than many prior estimates.
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The Women who Power NASA's New Horizons Mission to Pluto
The Women who Power NASA's New Horizons Mission to Pluto

NASA's New Horizons mission to Pluto has a strong female presence.
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The Women who Power NASA's New Horizons Mission to Pluto
The Women who Power NASA's New Horizons Mission to Pluto

NASA's New Horizons mission to Pluto has a strong female presence.
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New Horizons
Charon's Chasms and Craters

Chasms, craters, and a dark north polar region are revealed in this image of Pluto's largest moon Charon taken by New Horizons on July 11, 2015.
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Pluto
NASA Missions Have Their Eyes Peeled on Pluto

NASA's New Horizons will have the support of other spacecraft during its historic Pluto flyby, with observations from their outposts across the solar system.
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Pluto
NASA Missions Have Their Eyes Peeled on Pluto

NASA's New Horizons will have the support of other spacecraft during its historic Pluto flyby, with observations from their outposts across the solar system.
more Read More
New Horizons
Latest Images of Pluto from New Horizons

These are the most recent high-resolution views of Pluto sent by NASA's New Horizons spacecraft, including one showing the four mysterious dark spots on Pluto that have captured the imagination of the world.
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New Horizons
Latest Images of Pluto from New Horizons

These are the most recent high-resolution views of Pluto sent by NASA's New Horizons spacecraft, including one showing the four mysterious dark spots on Pluto that have captured the imagination of the world.
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New Horizons
NASA's New Horizons Plans July 7 Return to Normal Science Operations

NASA's New Horizons mission is returning to normal science operations after a July 4 anomaly and remains on track for its July 14 flyby of Pluto.
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