Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Neptune (left) and Uranus ...

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 ...

Voyager 2, NASA's legendary interstellar probe, continues to deliver. Thirty-one years after the spacecraft cruised past Uranus, researchers have capitalized on the spacecraft's recordings to take a ...

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

The orbits of our planets and their moons indicate that planets might be missing from our solar system. According to more than a hundred computer simulations, two additional planets once ...