Neptune’s atmosphere and global temperatures might also be susceptible to the 11-year solar cycle. This is when the sun’s magnetic field flips poles, causing changes in activity on the surface ...

The bold question-askers at What If reveal what makes Neptune’s atmosphere so wildly unforgiving. Catholic devotees were stunned when an apparition of Jesus appeared in the clouds following a Mass.

An image of Neptune captured by Voyager 2 in 1989. New infrared images of the planet has revealed some surprising temperature changes in its atmosphere over the last two decades.

Atmosphere: Neptune's "surface" can therefore be said to be composed of about 80% hydrogen and 19% helium, with a trace amount of methane. The surface layer is also permeated by roving bands of ...

Item 1 of 2 The "Great Dark Spot", a storm in the atmosphere and the bright, light-blue smudge of clouds that accompanies the storm is seen on the planet Neptune, taken by the NASA spacecraft ...

Astronomers have observed a mysterious large dark spot in Neptune’s atmosphere, along with a bright feature that has never been spotted before.

However, at Neptune’s surface, the gravity is only about 1.1 times the gravity we experience on Earth. In other words, if ...

Neptune's more active atmosphere likely produces snow as it moves methane particles into the haze, which removes haze over time. Uranus, however, ...

In addition to carrying high-precision instruments like WFC3, it will have a larger mirror than Hubble’s, allowing it to detect signals even fainter than the atmosphere of HAT-P-11b.

A newly discovered distant mini-Neptune planet may possess its own atmosphere, ocean, or a combination of the two, even if they don't last for long.

Oddball planet TOI-1231 b is a bit smaller than Neptune but has a substantial atmosphere, which gives it some interesting astronomical quirks.