The brighter of Neptune's two new moons is provisionally named "S/2002 N5." At 14 miles (23 km) wide, this newly discovered satellite seems to be in a 9-year orbit around Neptune.

Neptune is named after the Roman god of the sea. Its largest moon, Triton, was discovered in 1846 by English astronomer William Lassell, 17 days after German astronomer Johann Gottfried Galle ...

Astronomers reported Friday that three new moons — one orbiting Uranus and two orbiting Neptune — have been discovered, placing each planet's lunar tally at 28 and 16 known moons.

The newly discovered moon around Uranus is the 28th known moon around that planet, and the moons found around Neptune bring the known total to 16. People on meds for depression are showing fewer ...

One of Neptune's new moons has the longest known orbital journey yet. It takes around 27 years for the small outer moon to complete one lap around Neptune, ...

And one of the moons turned out to be something that had been spotted before, although not identified. “Once S/2002 N5’s orbit around Neptune was determined using the 2021, 2022, and 2023 ...

Neptune, named after the god of the sea, has 14 moons. All of them represent Greek and Roman water mythology. The largest moon is Triton, which is nearly as large as Earth’s Moon.

Astronomers have detected new moons around two of our solar system’s most unique and intriguing planets. The hidden moons were discovered orbiting Uranus and Neptune, and the discovery brings ...

Explore all 16 of Neptune's moons along with their names and dates of discovery. The Neptunian system hosts some very strange and elusive moons.

New dwarf planet discovered beyond the orbit of Neptune; Does Mars have a moon? Neptune's new satellites, S/2002 N5 and S/2021 N1, are around 14.3 miles (23 km) and 8.7 miles ...

It is 14 miles wide and appears to be in a 9-year orbit around Neptune. The fainter moon is named S/2021 N1 and it is about 8.6 miles wide. It circles the planet once every 27 years.