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

NASA/ESA Hubble Space Telescope, Gemini North telescope and NASA Infrared Telescope Facility observations of Neptune and ...

Despite being nearly a billion kilometers closer to the Sun than Neptune, Uranus maintains a lower average temperature — ...

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 ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer ...

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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 ...

The ice giants remain some of the most interesting places to explore in the solar system. Uranus in particular has drawn a ...

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 ...

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?

"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 ...