During its closest approach to Neptune in 1989, Voyager 2 gathered images in separate colors, which were then recombined into composites that didn't always reflect the "true" color of the planet ...

Neptune is fondly known for being a rich blue, and Uranus green—but a new study has revealed that the two ice giants are actually far closer in color than typically thought. The correct shades ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

NASA's Voyager 2 captured this image at a range of 4.4 million miles from the planet, 4 days and 20 hours before closest approach. In this false color image of Neptune, objects that are deep in the ...

Our ideas of the colours of the planets Neptune and Uranus have been wrong, research led by UK astronomers reveals. Images from a space mission in the 1980s showed Neptune to be a rich blue and ...

It’s the methane that reflects blue light to give Neptune its vibrant color. Scientists disagree over why Neptune is so intensely blue; our solar system’s other ice giant, Uranus, is a pale ...

Aug. 31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary ...

Located around 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye. The planet's blue color comes from methane in its atmosphere, which absorbs red wavelengths of light.

A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions. But, for the ...

Neptune isn't the rich royal blue it was believed to be for decades, scientists say. The study by physicists at the University of Oxford found that the eighth planet in our solar system is in fact ...