Neptune was supposed to be the quiet, distant ice giant, a cold blue marble barely warmed by the Sun. Instead, the James Webb Space Telescope has just turned it into one of the strangest, most ...

Neptune, the most distant major planet in the Solar System, has finally given up one of its longest held secrets. After decades of hints and near misses, astronomers now have crisp, direct views of ...

NASA's James Webb Space Telescope has peeled back the layers on sub-Neptunes, a type of gassy exoplanet scattered in large numbers throughout the universe. While sub-Neptunes' thick atmospheres have ...

Astronomers have spent the past decade cataloguing thousands of planets beyond the solar system, many of them falling into a ...

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 ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Neptune’s glowing auroras ...

WASHINGTON (AP) — Neptune’s glowing auroras are captured in the best detail yet by NASA’s James Webb Space Telescope. Hints of auroras were first faintly detected in ultraviolet light during a flyby ...