Neptune, one of our most distant planetary neighbors, may not be the color we've always thought it was. Previous images of far-off planets showed Neptune as being a deep electric blue, while Uranus ...

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 ...

Historic color photos of Uranus and Neptune are actually the wrong colors, and a recent study used new data and a lot of math to set the record straight. In Voyager 2’s full-color photos of the ice ...

The New Horizons spacecraft is perhaps most famous for revealing the icy world Pluto in 2015, flying by the distant dwarf planet and sending back stunning imagery of a dynamic world. But the ...

Neptune, long believed to be dark blue, is actually very pale like Uranus, scientists say. They used modern telescopes to re-assess artificially enhanced images taken by NASA's Voyager 2 probe. We can ...

Roll out the cosmic welcome mat for our solar system’s newest resident: a never-before-seen moon orbiting Uranus. The Webb telescope’s observations of Uranus are giving scientists better insight into ...

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 colour than typically thought. The correct shades of ...

A bizarre object that sometimes gets as close to the sun as Saturn, and other times retreats as far out as Uranus, has been discovered to have a transforming disk of dust around it that changes shape ...