"We've had only a single flyby — Voyager 2 in 1989 — and these results make clear there's much more to learn." ...

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

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

After being captured, Triton's own gravitational forces stirred up Neptune's original moons and caused most of them to ...

In 1989, the Voyager 2 mission discovered six new moons orbiting Neptune, including five tiny ones that orbit just outside ...

JWST detected clay minerals on Neptune's inner moons - chemical evidence that Triton's arrival destroyed an entire ancient moon system 4 billion years ago.

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 ...

Neptune's strange moon and ring system has puzzled astronomers for decades, but data from the James Webb Space Telescope ...

CAPE CANAVERAL, Fla. — Neptune’s far-flung moon Nereid may be the last of the plane t ’s original companions that managed to survive a cosmic crash, scientists reported Wednesday. Sixteen known moons ...

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 ...

CAPE CANAVERAL, Fla. (AP) — 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 ...