Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

Among the most famous images taken by the Voyager spacecraft are those of Uranus and Neptune. When you think of these planets, you’re likely imagining them based on the images taken by Voyager 2 in ...

Planets smaller than Neptune but larger than Earth, with atmospheres saturated with water vapor due to extreme temperatures, ...

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 ...

When Voyager 2 flew by Neptune in 1989, it sent back images that were processed to better reveal features like bands and a dark spot. But a new study says it's actually a greener planet.

Ah Neptune. Why? So blue new evidence has revealed *** colorful controversy involving *** pair of comparable planets. And that's not all this is *** look at the planet's Uranus and Neptune looking ...

Astronomers used a telescope in Hawaii to find a new object on the outer edges of our solar system, helping to fuel evidence of a long-standing theory about Planet Nine, or Planet X. For years, ...

(CNN) — Often appearing in images to have starkly different hues, the true colors of Neptune and Uranus may be more similar than previously thought, new research has found. The first detailed glimpses ...