Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Lying at the very outskirts of our solar system, the ice giant Neptune ...

Only one spacecraft has ever visited far-off Neptune. In 1989, NASA's Voyager 2 probe beamed back astonishing images of this dynamic world, including an Earth-sized storm with 1,000 mph winds. Since ...

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 ...

Neptune receives a tiny fraction of the sunlight that strikes Earth, yet somehow, that’s enough to transform the clouds of this faraway world. The main driver of cloud formation is generally the ...

Observations from Hubble Space Telescope, the NASA Infrared Telescope and the Gemini Observatory, reveal that excess haze on Uranus makes it paler than Neptune and that dark spots are caused by a ...