The Nu ring seems to be fed by unknown rocky bodies, whereas the Mu ring appears rich in water ice and linked to the moon Mab ...

Rings were first discovered in 1977 around Uranus, when astronomers observed a star dim multiple times as the planet passed ...

See Venus and Uranus in conjunction on Thursday, April 23, as the “Evening Star” sweeps close to the Pleiades open star ...

The cold, icy world of Uranus is framed by a pair of rings that orbit the planet at twice the distance of its main ring ...

The two most puzzling rings around Uranus are gradually giving up their secrets, only to deepen the mystery of the Uranian ...

Deep inside planets like Uranus and Neptune, scientists may have uncovered a bizarre new state of matter where atoms behave ...

Uranus is known as a planet that spins on its side, and scientists say that while this is true, it is not so much the spin itself, but how this spin affects the charged particles surrounding it. While ...

A new mission concept, recently presented at the 57th Lunar and Planetary Science Conference, promises to take humanity one step closer to unraveling the icy mysteries of Uranus. The CASMIUS (Coupled ...

The Hubble Space Telescope has peered at Uranus, left, and Neptune to study the so-called "ice giant" planets, but little is known about their interior composition. - NASA / ESA / M. Showalter / L.