Using Webb’s near-infrared spectrograph, astronomers have captured new images of Neptune that finally reveal the planet’s mysterious auroral activity. Faint hints of Neptune’s auroras were first ...

According to NASA, Webb's extremely stable and precise image quality permits these very faint rings to be detected so close to Neptune. Webb also captured seven of Neptune's 14 known moons.

The hidden moons were discovered orbiting Uranus and Neptune, and the discovery brings the moon counts for these planets to 28 and 16, respectively. The discovery of these hidden moons is both ...

The pictures taken in July show not only Neptune’s thin rings, but its faint dust bands, never before observed in the infrared, as well as seven of its 14 known moons. Webb showed Jupiter at its best ...

Though they are different colors (Neptune is bluer than Uranus' cyan hue) and have different numbers of rings and moons, both planets are ice giants that are similar sizes at just over 30,000 ...

At the left, an enhanced-color image of Neptune from NASA’s Hubble Space Telescope. At the right, that image is combined with data from NASA’s James Webb Space Telescope to show auroras ...