Charon and Pluto are locked in a celestial dance. The dwarf planet and its largest moon are not that dissimilar in size, and ...

Something on Pluto and one of Saturn’s moons, Titan, absorbs light in a way unexplained by anything in spectroscopic ...

A new study has found that Pluto's largest moon, Charon, once rotated more than 10 times faster than it does today before ...

Terrestrial planets experience landslides in spades, and so do some moons, asteroids and comets. But — until now — they’ve ...

Astronomers have detected an unidentified compound on Titan and Pluto using spectroscopy, revealing a puzzling similarity ...

The rare encounter revealed a distant world with giant ice sheets, mountains, valleys, and terrains unlike any other seen in ...

WASHINGTON, Sept 26 (Reuters) - Astronomers using the Hubble Space Telescope have observed a white dwarf - a highly compact stellar ember - that appears to have gobbled up an icy world akin to the ...