Hubble Space Telescope imagery Neptune has revealed that the planet's clouds are disappearing. Credit: NASA Goddard Space ...

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 ...

NASA’s New Horizons spacecraft has traversed the orbit of Neptune, it’s last major crossing en route to becoming the first probe to make a close encounter with distant Pluto on July 14, 2015.