The farthest planet from the Sun has a rather strange collection of moons in its orbit. That may be because Neptune’s largest moon, Triton, made a mess when it forced its way into the planet’s orbit ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON (AP) — Astronomers have found ...

For decades, astronomers thought Neptune’s moon Nereid was probably a captured object from the Kuiper Belt. A new study now ...

One of Neptune's largest moons has stuck around the neighborhood much longer than scientists previously thought — in fact, it may be the sole survivor of the planet's earliest days. Nereid, Neptune's ...

Neptune’s moons have long provided evidence of a cataclysm four billion years ago. A new study suggests one moon may have made it through. By Jonathan O’Callaghan Neptune’s moon system is bizarre.

WASHINGTON — Astronomers have found three previously unknown moons in our solar system — two additional moons circling Neptune and one around Uranus. The distant tiny moons were spotted using powerful ...

Neptune, the farthest planet from the sun, is surrounded by 16 known moons—and many of them are weirdos. Now, researchers propose that one of those oddballs, a wide-orbiting moon called Nereid, is the ...

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