Images of Uranus and Neptune released after the Voyager 2 flybys in 1986 and 1989 compared with a reprocessing of the individual filter images in this study.

A pale blue-green enigma, the planet Uranus has long fascinated astronomers precisely because of its extreme distance, some 1.6 billion miles (2.6 billion km) from Earth. While it is comparatively ...

A day at Uranus just got a little longer. Scientists reported Monday that observations by the Hubble Space Telescope have confirmed it takes Uranus 17 hours, 14 minutes and 52 seconds to complete ...

Think of Uranus and Neptune, the solar system’s outermost planets, and you may picture two distinct hues: pale turquoise and cobalt blue. But astronomers say that the true colors of these ...

Voyager 2's visit to Uranus may have left us with the complete wrong impression of the ice giant for nearly 40 years, according to a new study.