What if our understanding of Uranus and Neptune's compositions have been wrong, specifically regarding their classifications ...

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 ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When the Voyager 2 ...

Uranus emits more energy than it gets from the sun, two new studies report — a discovery that contradicts findings from the venerable Voyager spacecraft. When Voyager 2 sped past Uranus on January 24, ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The 29th moon found to be orbiting the solar system’s 7th planet is about six miles wide. By Katrina Miller The space around Uranus just got a bit more crowded. On Tuesday, astronomers using the James ...

Roll out the cosmic welcome mat for our solar system’s newest resident: a never-before-seen moon orbiting Uranus. A team of astronomers announced Tuesday that a new satellite measuring roughly 90 ...

The word "retrograde” often can’t help but fuel panic that everyday life is about to get flipped upside down, but the truth of the matter is that planets are going retrograde all year long. And ...