The surface of Uranus' moon Ariel is coated with a significant amount of carbon dioxide ice, especially on its "trailing hemisphere" that always faces away from the moon's direction of orbital motion.

Add Yahoo as a preferred source to see more of our stories on Google. Uranus is the coldest planet in the solar system. NASA/JPL Uranus, the seventh planet from the Sun, orbits in the outer solar ...

Last year, a study led by planetary scientist Richard Cartwright at the Johns Hopkins Applied Physics Laboratory (APL) in Laurel, Maryland, proposed that deposits of carbon dioxide ice and other ...

NASA scientists have concluded that four of Uranus’ largest moons likely contain an ocean layer between their cores and icy crusts after re-analyzing data from the Voyager spacecraft and new computer ...

Growing evidence suggests that a subsurface ocean lurks beneath the icy surface of Uranus' moon Ariel, but new research, published in Icarus, characterizes the possible evolution of this ocean, and ...

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The moons that orbit Uranus are already known to have unusual characteristics: some are heavily cratered, others have tectonic features or a patchwork of ridges and cliffs. Using the Hubble space ...

Uranus and Neptune are the two furthest planets in the Solar System and have been visited only once by human spacecraft – by Voyager 2 over 30 years ago – so there is a lot about them that we do not ...

They’re running rings around Uranus. New research suggests a moon orbiting the sophomoric-sounding planet might contain enough natural resources to support alien life. Scientists from Johns Hopkins ...