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 ...

“H3+ has a been a clear signifier on all the gas giants — Jupiter, Saturn, and Uranus — of auroral activity, and we expected to see the same on Neptune as we investigated the planet over the ...

Experts are not sure why Neptune's auroras can be seen around the planet's "mid-latitudes," and not the north and south poles NASA, ESA, CSA, STScI, Heidi Hammel (AURA), Henrik Melin (Northumbria ...

Capturing images of Neptune's auroras had remained out of reach until the James Webb Space Telescope (JWST or Webb) turned its powerful eye towards the icy planet. "Turns out, actually imaging the ...

Scientists using a telescope in Hawaii have discovered a never-before-seen dwarf planet lurking within the ring of icy bodies beyond the orbit of Neptune. The small new world -- temporarily named ...

Webb's new technology allowed astronomers to capture close-up images of Neptune's ionosphere, the electrically charged part of its upper atmosphere where auroras are produced, to show the planet's ...