If you've been wondering how long the day on Uranus is, you probably need to get out more. But if you have, you'll be interested to know that observations by the Hubble Space Telescope have shown that ...

A new mission concept, recently presented at the 57th Lunar and Planetary Science Conference, promises to take humanity one ...

New images of Uranus show the planet in blue, the upper atmosphere in red, auroras in lighter red spots and rings in white. ESA / Webb, NASA, CSA, STScI, P. Tiranti, H. Melin, M. Zamani (ESA / Webb) ...

Eight and a half years into its grand tour of the solar system, NASA’s Voyager 2 spacecraft was ready for another encounter. It was Jan. 24, 1986, and soon it would meet the mysterious seventh planet, ...

The Voyager 2 mission may have caught Uranus at a special time during which the ice giant's radiation belts were being supercharged with electrons accelerated by a similar process to what can drive ...

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Throughout most of recorded history, humankind had known only six planets, five in the sky — Mercury, Venus, Mars, Jupiter and Saturn — plus Earth once it became generally accepted in the 17th century ...