Add Yahoo as a preferred source to see more of our stories on Google. The interiors of Uranus and Neptune may be rockier than scientists previously thought, a new computational model suggests — ...

Astronomers may now understand why the similar planets Uranus and Neptune are different colors. Researchers have now developed a single atmospheric model that matches observations of both planets. The ...

Neptune is fondly known for being a rich blue and Uranus green -- but a new study has revealed that the two ice giants are actually far closer in color than typically thought. The correct shades of ...

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Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Neptune and Uranus ...

A U.S. government lab has recreated the truly alien conditions that melt diamonds deep inside ice giant planets—and the technique could triple the energy gains for some fusion reactors.

Within our solar system, Uranus is a geometric oddball. Its spin axis tilts more than 90° from its orbit, so it essentially rolls on its side through space. In contrast, Earth and other planets tilt ...

The interiors of Uranus and Neptune may be rockier than scientists previously thought, a new computational model suggests — challenging the idea that the planets should be called "ice giants." The new ...