Uranus has been the butt of a lot of jokes (stop giggling). And it doesn't help that it's huge — roughly four times the size of Earth — or gassy with an atmosphere comprised partly of methane. Or, as ...

Uranus’s tiny moon Ariel may have had a subsurface ocean that made up around 55% of its total volume. By mapping craters, ...

A flyby of Uranus in 1986 is where we gathered much of our knowledge about the distant ice giant, but new research has found that this may not have been a standard representation of the planet's ...

For decades, Uranus baffled scientists because it seemed to have no internal heat. Now, new computer modeling shows the planet actually emits more energy than it receives from the Sun. This subtle ...

Editor’s note: A version of this story appeared in CNN’s Wonder Theory science newsletter. To get it in your inbox, sign up for free here. The answers to the biggest questions in space science — what ...

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

"Every component of that system has features that violate some of our ideas about how planets work." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Uranus, the third-largest planet in our solar system, is sometimes visible with the unaided eye. Credit: Creators.com illustration How many planets are there in our solar system? Nine? Eight? Twelve?

Since its categorization as a planet in the 18th century, Uranus has been an astounding target of observation for scientists. Once thought to only be a distant star, the planet has continued to amaze ...