Uranus
Latest about Uranus
![New Moons and Rings Found at Uranus](https://cdn.mos.cms.futurecdn.net/x5SHgawj7WoNrAoRCLUDWd-320-80.jpg)
New Moons and Rings Found at Uranus
By Space.com Staff last updated
Astronomers have discovered new rings and small moons around Uranus and found surprising changes in satellite orbits around the giant planet.
![This image of the planet Uranus was taken by the spacecraft Voyager 2 in 1986.](https://cdn.mos.cms.futurecdn.net/4LBVjZYNXdmnd9dhDBWuGd-320-80.jpg)
Uranus by 2049: Here's why scientists want NASA to send a flagship mission to the strange planet
By Jamie Carter last updated
A key committee of scientists has recommended that a flagship mission to Uranus should be NASA's highest-priority large planetary science mission for the next decade.
![The temperature of Uranus averages minus 320 degrees Fahrenheit. This image was taken by NASA's Voyager 2 spacecraft in 1985.](https://cdn.mos.cms.futurecdn.net/vGptycb5Ys2yjsAfwzh5UP-320-80.jpg)
What is the temperature of Uranus?
By Daisy Dobrijevic, Nola Taylor Tillman published
Reference The temperature of Uranus averages minus 320 degrees Fahrenheit. Uranus holds the record for the coldest temperature ever measured in the solar system.
![Uranus will be at its brightest on Nov. 4-5, 2021, when the planet reaches opposition.](https://cdn.mos.cms.futurecdn.net/J27QHuB3G9NQ2yxP3KzZJb-320-80.jpg)
Here's how to see Uranus at its brightest in the sky
By Elizabeth Howell published
The distant planet is about to reach opposition, and with the right equipment you'll be able to spot it.
![Auroras on Uranus behave in unexpected ways.](https://cdn.mos.cms.futurecdn.net/FACX3whaCWHDvXSQStZ4p-320-80.gif)
Scientists create most detailed map of Uranus' mysterious auroras to date
By Tereza Pultarova last updated
Scientists have imaged the whole globe of Uranus in the infrared part of the light spectrum for the first time, hoping to shed light on the planet's mysterious auroras and weird magnetic field
![NASA's Voyager 2 spacecraft captured this image of the planet Uranus on Dec. 18, 1986. In a new study, researchers suggest the possible presence of subsurface oceans on Uranus' moons.](https://cdn.mos.cms.futurecdn.net/e6r6wBmmBoK8SbhqATSBgg-320-80.jpg)
Watch live: See live views of Uranus from the Royal Astronomical Society
By Space.com Staff published
The 8-hour webcast begins at 4 a.m. EDT (0800 GMT).
![Artist’s impression of a mushball descending through a giant planet’s atmosphere.](https://cdn.mos.cms.futurecdn.net/nFUCUmReWhgWNTibdhyuUj-320-80.jpg)
Stinky 'mushball' hailstones on Uranus may explain an atmospheric anomaly there (and on Neptune, too)
By Tereza Pultarova published
A recent discovery of giant ammonia-rich hailstones, dubbed mushballs, on Jupiter might explain why Uranus and Neptune seem to have no ammonia in their atmospheres.
![A composite image of the planet Uranus shows 2002 X-ray emission in pinkish purple.](https://cdn.mos.cms.futurecdn.net/44MZHYSAwbe2PeUrquHLi9-320-80.jpg)
Uranus is belching X-rays and is weirder than we ever thought
By Meghan Bartels last updated
The more scientists study it, the weirder Uranus gets.
![Uranus and Neptune have each only been visited by one spacecraft, Voyager 2.](https://cdn.mos.cms.futurecdn.net/xuwTPxP8ayY8XJnDUUQDSJ-320-80.jpeg)
A mission to Uranus and Neptune could act as massive gravitational-wave detector
By Paul Sutter published
What if one mission could study the gravitational ripples triggered by some of the most violent events in the universe — on the way to observing the least-known planets of our solar system?
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