Uranus
Latest about Uranus
![NASA's James Webb Space Telescope captured this shot of Uranus and six of its 27 known moons.](https://cdn.mos.cms.futurecdn.net/BMHSZtiAMUx7V7SQZHzriZ-320-80.jpg)
Uranus' 4 biggest moons may have buried oceans of salty water
By Sharmila Kuthunur published
The four biggest moons of Uranus — Titania, Oberon, Ariel and Umbriel — may harbor salty oceans beneath their frozen surfaces, a new study suggests.
![This wider view of the Uranian system with Webb’s NIRCam instrument features the planet Uranus as well as six of its 27 known moons (most of which are too small and faint to be seen in this short exposure). A handful of background objects, including many galaxies, are also seen.](https://cdn.mos.cms.futurecdn.net/BMHSZtiAMUx7V7SQZHzriZ-320-80.jpg)
Uranus' moons: A guide to the ice giant's strange tilted moons
By Robert Lea last updated
Reference At the outer edge of the solar system is the coldest planet Uranus, but it isn't alone. The ice giant is orbited by at least 27 moons, some as strange and unique as the ice giant itself.
![An illustration of Uranus and its five largest moons, Miranda, Ariel, Umbriel, Titania and Oberon.](https://cdn.mos.cms.futurecdn.net/KfhkbYkccXnjEPkSCLPQ7J-320-80.jpeg)
Two moons of Uranus may have active subsurface oceans
By Robert Lea published
The Uranus moons Ariel and Miranda may have active oceans blasting plumes of particles into space, a new look at data collected by NASA's Voyager 2 spacecraft suggests.
![An image of Uranus taken by Voyager 2 on Jan. 14, 1986.](https://cdn.mos.cms.futurecdn.net/VYabicw33wwC2dYEEyPcRE-320-80.jpg)
Uranus up close: What proposed NASA 'ice giant' mission could teach us
By Charles Q. Choi published
A proposed NASA mission to Uranus would shed light on the mysterious ice giant as well as a type of exoplanet that's among the most common in the universe, researchers say.
![An illustration of the night sky on Wednesday (Nov. 9) showing Uranus at opposition.](https://cdn.mos.cms.futurecdn.net/RVVWE7BWnV8ihCj97Z4EWN-320-80.jpg)
Spot Uranus at opposition in the night sky Wednesday (Nov. 9)
By Robert Lea published
The distant ice giant planet Uranus will be facing the sun in the sky on the evening of Wednesday (Nov. 9), during an astronomical arrangement called opposition.
![blue planet with purple splotch and a nearly vertical ring around it](https://cdn.mos.cms.futurecdn.net/bDVNBHEDNnvuK3QxugD8jM-320-80.jpg)
Uranus' weird tilt may be the work of a long-lost moon
By Paul Sutter published
Uranus is just plain weird, and one of the weirdest things about it is its tilt.
![uranus full disc in baby blue](https://cdn.mos.cms.futurecdn.net/VYabicw33wwC2dYEEyPcRE-320-80.jpg)
What would you name a Uranus probe? The internet's answers are about what you'd think
By Elizabeth Howell published
Thriller films, Antarctic explorers and female science pioneers featured in an informal naming contest seeking a moniker for a proposed Uranus spacecraft mission.
![An image of Uranus taken by Voyager 2 on Jan. 14, 1986.](https://cdn.mos.cms.futurecdn.net/VYabicw33wwC2dYEEyPcRE-320-80.jpg)
NASA really wants to probe Uranus and could start planning next year
By Stefanie Waldek published
Dr. Lori Glaze of NASA's Planetary Science Division offered updates about the potential mission at a virtual town hall.
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