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 ...

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 ...

Why it's so special: Only one spacecraft has ever visited the eighth and most distant planet from the sun. On Aug. 25, 1989, NASA's Voyager 2 spacecraft took the first-ever close-up images of Neptune.

(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 ...

Voyager 2's image of Neptune released shortly after the flyby in 1989 (left) with the newly reprocessed version in true colour (right). A new study suggests that Neptune and Uranus are a similar shade ...

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.