Neptune is an ice giant, composed primarily of hydrogen, helium, and methane, with a hot, dense fluid of icy materials above a small rocky core. Neptune has 14 known moons and at least five main rings ...

Researchers have called it a rare ultra-hot Neptune. Thanks to images from the James Webb Space Telescope (JWST) published in Nature Astronomy, researchers are now able to see and analyze extreme ...

The perception of Neptune as much darker and bluer than Uranus was "cemented" when pictures were sent back by the Voyager 2 probe after it flew by the two planets in 1986 and 1989, said The Times.

“It is made of nine images, revealing Saturn, Mercury and Neptune. “However, they were very tricky to spot. I used multiple image analysis and astronomy apps to confirm their location,” he said.

This composite image provided by NASA on Wednesday, Sept. 21, 2022, shows three side-by-side images of Neptune. From left, a photo of Neptune taken by Voyager 2 in 1989, Hubble in 2021, and Webb in ...