Astronomers say Uranus’ blue μ ring and red ν ring appear to have very different origins, solving a long-standing mystery about the distant planet.

Uranus’s outermost two rings are surprisingly dissimilar, which opens up a mystery about the tiny moons and moonlets that ...

The rings of Uranus were only discovered in 1977 and the outer rings, named for the Greek letters μ and ν (mu and nu), have ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA/JPL-Caltech ...

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

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 ...

Uranus wasn't ready for its closeup 38 years ago. I speak of the 7th planet from the Sun, and third largest in our solar system, which received a flyby — 50,000 miles above the planet — from the ...

Uranus, an ice giant planet and the seventh planet from the sun, may be warmer than previously thought. The third largest planet in the solar system — previously thought to be the coldest despite ...

"Every component of that system has features that violate some of our ideas about how planets work." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...