Uranus and Neptune are not the colour we tend to think they are, scientist have said. Generally, Neptune is depicted as a rich, deep blue. Uranus is usually seen as a pale green or cyan. In fact, ...

(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 ...

In 1989, Voyager 2 became the first and only spacecraft to ever fly by Neptune, and images from that mission famously show a planet that's a deep azure color. But in reality, Neptune is far more of a ...

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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.