Dramatic theories have been proposed to explain the mysterious interiors of Uranus and Neptune, the ice giants of our solar ...

it’s the only member that emits virtually no inner heat—all its meteorological processes on the surface are powered by sunlight. Scientists can’t say for sure why Uranus runs cold.

A new study suggests Uranus' moon Miranda may harbor a water ocean beneath its surface, a finding that would challenge many assumptions about the moon's history and composition and could put it in ...