Pluto’s surface tells a story of ice volcanoes, hidden heat, and mysterious chemistry beneath frozen plains. Scientists now ...

Far beyond the edge of the solar system, Pluto is revealed as a far more dynamic and mysterious world than once believed.

Recent results suggest that Pluto has a liquid water ocean buried beneath its icy shell. But how could such a thing be possible at the frigid outer edges of the solar system? Scientists from Japan and ...

An ocean on Pluto long thought to have frozen over could actually just be hidden from view by an insulating cloud of gas, scientists say. The new research suggests there could be more oceans in the ...

Sometimes discoveries do not begin with certainty, but with confusion. That was exactly the case when US astronomer James ...