At the left, an enhanced-color image of Neptune from the NASA/ESA Hubble Space Telescope. At the right, that image is combined with data from the NASA/ESA/CSA James Webb Space Telescope. The cyan ...

Neptune harbors cosmic secrets, in part because of its distance from Earth. But researchers have just unlocked one of the planet's mysteries by using the unique capabilities of the James Webb Space ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory. Far from the Sun, and Earth, the sky-blue planet Neptune has been captured shimmering ...

Neptune was supposed to be the quiet, distant ice giant, a cold blue marble barely warmed by the Sun. Instead, the James Webb ...

The James Webb Space Telescope captured the first images of Neptune's auroras. But Webb's observations didn't just provide new pretty pictures of the ice giant planet's greenish-blue splotches. It ...

A team led by an astronomer from the University of Kansas has crunched data from NASA’s TESS and Spitzer space telescopes to portray for the first time the atmosphere of a highly unusual kind of ...

The photo at left is an enhanced-color image of Neptune from the Hubble Space Telescope. At the right, that image is combined with one from the James Webb Space Telescope that shows greenish splotches ...

Unlike the James Webb Space Telescope's views of other sub-Neptune exoplanets' atmospheres, its look at TOI-421 b was clear. Credit: NASA / ESA / CSA / Dani Player illustration A sweltering planet ...

New NASA Hubble Space Telescope images of the distant planet Neptune show a dynamic atmosphere and capture the fleeting orbits of its satellites. The images have been assembled into a time-lapse movie ...

Despite being part of our own solar system, Neptune has long been a cosmic mystery. It's the most distant planet from the Sun and also one of the least explored. Only one spacecraft—Voyager 2—has ever ...

The James Webb Space Telescope identified the lights in the distant planet’s atmosphere, which could not be seen by earlier telescopes or spacecraft. By Robin George Andrews The vermilion, amethyst ...

There aren't a lot of Hot Neptunes in the galaxy, and it's not entirely clear why. A Hot Neptune is, as the name implies, a Neptune-sized planet orbiting within 1 AU of its host star. While we've ...