For decades, Uranus and Neptune have carried the tidy label of “ice giants,” shorthand for worlds built mostly from frozen ...

Our fundamental understanding of Neptune and Uranus may be completely wrong, say researchers rethinking our solar system.

For decades, school posters and science museum displays have grouped Uranus and Neptune together as “ice giants,” a tidy ...

Uranus and Neptune may not be the icy worlds we’ve long imagined. A new Swiss-led study uses innovative hybrid modeling to ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

We actually know very little about what's going on inside Uranus and Neptune, causing researchers to propose that these planets be called "rocky giants" instead. When you purchase through links on our ...

Uranus and Neptune have been called the “ice giants” for decades. But in new research, that nickname might be more a misnomer than anything. A study by the lead researchers astrophysicists Luca Morf ...

In 1986 and 1989, Voyager 2 made the final two stops on its grand tour of the outer solar system when it swept by Uranus and Neptune, respectively. Now, nearly 40 years later, the archive of data the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Ask anyone what their favorite planet in the solar system is ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA, ESA, Mark Showalter (SETI Institute), Amy Simon (NASA-GSFC), Michael H. Wong (UC ...

Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.