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 ...

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 ...

For the first time, researchers have spotted infrared auroras swirling in Neptune’s atmosphere, verifying decades of scientific speculation. When NASA’s Voyager 2 mission flew by Neptune in 1989, it ...