James Webb detected clay minerals on Neptune's small moons, suggesting they formed from debris left after an ancient moon ...

Why it's so special: Only one spacecraft has ever visited the eighth and most distant planet from the sun. On Aug. 25, 1989, NASA's Voyager 2 spacecraft took the first-ever close-up images of Neptune.

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

NASA’s James Webb Space Telescope has revealed that Neptune’s inner moons may be fragments of a much older satellite system ...

Add Yahoo as a preferred source to see more of our stories on Google. For the first time ever, NASA’s James Webb Space Telescope—humanity’s most powerful eye in space—has captured auroras on Neptune ...

A new study identifies an unexpected mineral in two of the planet’s inner moons, pointing to a destructive past in which a ...

CAPE CANAVERAL, Fla. — Neptune’s far-flung moon Nereid may be the last of the planet’s original companions that managed to survive a cosmic crash, scientists reported Wednesday. Sixteen known moons ...

WASHINGTON — Neptune's glowing auroras are captured in the best detail yet by NASA's James Webb Space Telescope. Hints of auroras were first faintly detected in ultraviolet light during a flyby of the ...

This isn't totally unexpected. While storms like Jupiter's Great Red Spot have been raging for centuries, Neptune's storms ...

NASA’s Kepler spacecraft, known for its planet-hunting prowess of other stars, is also studying solar system objects. In its new K2 mission, Neptune and two of its moons, Triton and Nereid, have been ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. NASA's flagship James Webb Space Telescope has captured the first-ever ...