Miranda is the smallest of Uranus' large moons—after Titania, Oberon, Umbriel and Ariel—at about 290 miles in diameter, about one-seventh the size of our moon. It is believed to be composed ...

A reassessment of data from NASA's Voyager 2 has revealed that Uranus' moon Miranda may contain a subsurface ocean, ...

"The suggestion of an ocean inside one of the most distant moons in the solar system is remarkable," a researcher said.