The planet’s elusive aurorae are much colder than expected, which is how they evaded detection for so long.

NASA’s James Webb telescope is offering a new look at Neptune’s aurora, leading to a new mystery involving the eighth planet from the sun.

"Neptune was the missing piece of the puzzle when it came to detecting auroras on the giant planets," said the European Space Agency.

Auroras are a known phenomenon on Earth, Jupiter and Saturn. However ... Thankfully, Hubble has observed these aurora emissions on the sideways planet for more than a decade, allowing astronomers ...

Using Webb’s near-infrared spectrograph, astronomers have captured new images of Neptune that finally reveal the planet’s mysterious auroral activity. Faint hints of Neptune’s auroras were first ...

For the first time, the James Webb Space Telescope (JSWT) has revealed bright auroral activity on the planet Neptune. Capturing the auroral activity on the ice giant has been long in coming, even ...

Jupiter and Saturn. However, unlike these other planets, the glowing lights on Uranus are unique because of their unpredictable manner, which is due to the planet's tilted magnetic field. Thankfully, ...

Astronomers have just revealed that a day on Uranus is longer than was previously thought, at 17 hours, 14 minutes and 52 ...

The team used more than a decade’s worth of observations of Uranus’ unique aurorae taken with Hubble and refined the planet’s rotation period. This technique revealed that it completes a rotation 28 ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The cyan or light blue areas seen on the right-side image of Neptune are an auroral glow ...

Neptune’s spectacular aurora has been captured ... Scientists have studied auroras on Saturn and Jupiter for decades, but Neptune, the farthest planet from the sun, has been harder to see ...