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 ...

An image of Uranus on the left and Neptune on the right. They look almost indiscernible as they're both light blues. In the summer of 1989, from a remote expanse of our solar system where sunlight is ...

Neptune’s supersonic winds and icy storms revealed a planet so extreme that it forever changed our picture of the solar ...

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 ...

In pictures of the farthest planets from the sun, Uranus looks like a pale-green orb, while Neptune usually looks much bluer. A new analysis revealed their true colors. Here's NPR's Nell ...

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.