Scientists have discovered carbon dioxide and hydrogen peroxide on the surface of Charon, Pluto's largest moon, offering clues about the origins of the space rock and other celestial objects in the ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Images of Pluto captured by NASA's New Horizons mission have revealed a new surprise: ice volcanoes. The spacecraft performed a flyby of the dwarf planet and its moons in July 2015, and the insights ...

WEST LAFAYETTE, Ind. — Researchers propose an ammonia-water slurry as the basis for Pluto's newly discovered geologic activity and possible volcanism, and offer a new method to predict planetary vigor ...

University of Maryland astronomers Silvia Protopapa and Douglas Hamilton are among the authors of the first published paper from the New Horizons flyby, which appears in the Oct. 16, 2015, issue of ...

Once hailed as the ninth planet, Pluto has long captured the imagination of stargazers and scientists alike. Though it was reclassified as a dwarf planet, its story is far from small. Pluto is a land ...

NEW YORK (AP) — NASA’s Webb Space Telescope has identified new clues about the surface of Pluto’s largest moon. It detected for the first time traces of carbon dioxide and hydrogen peroxide on the ...