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 circle Neptune, our solar ...

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 ...

Thirty years ago, on Aug. 25, 1989, NASA’s Voyager 2 spacecraft made a close flyby of Neptune, giving humanity its first close-up of our solar system’s eighth planet. Marking the end of the Voyager ...

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.

Space Perspective is conducting research and development in Fort Pierce for about a year before sending people to the edge of space in a capsule propelled by a hydrogen balloon, Marine Fleet Manager ...

Neptune has long been depicted as a deeper, darker blue than its fellow ice giant Uranus, but a new study shows that both are a similar shade of... Don't look so blue, Neptune: Now astronomers know ...

New images from NASA's James Webb Space Telescope, released Wednesday, show the clearest views of Neptune and its hard-to-see rings in decades. It's the best view of the planet's dusty rings since the ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Lying at the very outskirts of our solar system, the ice giant Neptune ...