Our solar system's blue gas giant is far larger than Earth, at more than 17 times Earth's mass and nearly 58 times Earth's volume, according to NASA.Neptune's rocky core is surrounded by a slushy ...

It might look like a blurry blue ball, but this is a picture of Neptune taken through a very powerful telescope in Chile Neptune is known for being cold, windy, dark - and now spotty. Scientists ...

Neptune and Uranus are so similar that scientists sometimes refer to the distant, icy planets as planetary twins. But these ice giants have one big difference: their color.

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.

University of Reading planetary scientist James O’Donoghue, co-author of the new study, expressed and said: “Neptune has always been elusive. had only been seen by Voyager, and we’ve been trying to ...

"Although the familiar Voyager 2 images of Uranus were published in a form closer to 'true' color, those of Neptune were, in fact, stretched and enhanced, and therefore made artificially too blue." ...

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.

Neptune isn't as blue as people think, and astronomers have figured out why Uranus sometimes appears a tad greener. (Story aired on All Things Considered on Jan. 5, 2024.) ...