New images from the space-based observatory offer a novel view of the planet in infrared. By Jonathan O’Callaghan No spacecraft has visited Neptune since 1989, when the NASA probe Voyager 2 flew ...

Webb’s detection of auroras on Neptune is the first time astronomers have captured direct evidence of this phenomenon on the planet. NASA, ESA, CSA, STScI, Heidi Hammel (AURA), Henrik Melin ...

Over the past few years, the white clouds that usually shroud Neptune’s surface have disappeared, and it may be because of changes in the sun’s activity over its 11-year cycle ...

Voyager 2, NASA's longest-running mission, explored Neptune during a historic encounter on Aug. 25, 1989, sending back humanity's first close-ups of the planet.

Neptune, a frigid planet decorated with supersonic storms, has been visited by only one spacecraft, Voyager 2, which zipped by in 1989.Consequently, little is definitively known about the planet ...

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 ...