Seventh planet Uranus and eighth planet Neptune are both regarded as gas giants and they have similar masses, sizes, and atmospheric compositions. However, while Uranus is a shade of cyan, Neptune ...

Neptune has long been depicted as a deeper, darker blue than its fellow ice giant Uranus, but a new study shows that both are a similar shade of light greenish blue.

After Voyager 2 flew by Neptune in 1989, new calculations determined there was no Planet X. But three years ago, a disturbance was detected at the far reaches of the Solar System.

Neptune has long been depicted as a deeper, darker blue than its fellow ice giant Uranus, but a new study shows that both are a similar shade of light greenish blue.

Space | NPR Don't look so blue, Neptune: Now astronomers know this planet's true color Neptune has long been depicted as a deeper, darker blue than its fellow ice giant Uranus, but a new study ...

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 ...