The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view ...

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, kicking Nereid outward and destroying the planet's other original lunar companion ...

Neptune’s oddball moon Nereid may be the sole remnant of an earlier system, formed near the planet rather than being pulled in from afar.

Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s multibillion-year history.

Astronomers have been puzzling over a mystery on Neptune, and now they think they have unlocked its secret. The ice giant's ghostly, cirrus-like clouds largely disappeared four years ago. Today, just ...

The astronauts circling Earth on the Artemis mission sent back beautiful clear photos of the continents, clouds, and oceans.

Using data from the Webb space telescope, a team of researchers is suggesting that Neptune’s moon Nereid is the only survivor of the ancient lunar collision that rewrote the history of the planet’s ...

Neptune's mysterious, far-flung moon Nereid may be the last of the planet's original companions. Scientists at the California Institute of Technology reported Wednesday that they used NASA's ...

Astronomers may now understand why the similar planets Uranus and Neptune are different colors. Researchers have now developed a single atmospheric model that matches observations of both planets. The ...