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.

Astronomers from Cornell have developed a practical model that they call an environmental color decoder. The new practical model is designed to find climate clues to help in the search for potentially ...

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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... Don't look so blue, Neptune: Now astronomers know ...