Two faint rings circling Uranus look almost identical in photographs, but when astronomers finally split their light into a full color spectrum, the rings turned out to be made of strikingly different ...

The outermost ring of the planet Uranus turns out to have a bright blue color, according to a report in the April 7 issue of the journal Science. That makes it only the second blue ring to be found in ...

The two faintest outer rings of Uranus look nothing alike, and that mismatch is pushing planetary scientists toward a ...

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 recently discovered outermost ring of gas giant Uranus is a bright blue, scientists said Thursday. Saturn is the only other planet with an identified blue outer ring in the solar system. Both blue ...

(CNN) — Often appearing in images to have starkly different hues, the true colors of Neptune and Uranus may be more similar than previously thought, new research has found. The first detailed glimpses ...