Add another moon to the New Horizons photo gallery: the spacecraft’s Long Range Reconnaissance Imager detected Triton, the largest of Neptune’s 13 known moons, during the annual spacecraft checkout ...

Triton was discovered in 1846 by the British astronomer William Lassell, but much about Neptune’s largest moon still remains a mystery. A flyby by NASA's Voyager 2 spacecraft in 1989 offered a quick ...

Triton is one of the strangest moons in the solar system. It orbits Neptune in the opposite direction of the planet’s ...

HOUSTON — Is it time to go back to Neptune? Scientists representing NASA’s Jet Propulsion Laboratory proposed a spacecraft and mission Tuesday at the Lunar and Planetary Science Conference in Texas ...

Thanks to the Gaia spacecraft, researchers managed to capture a "central flash" from Triton, carrying important hints about conditions on the moon. Share on Facebook (opens in a new window) Share on X ...

Neptune’s largest moon, Triton, and the dwarf planet Pluto may have shared a common origin before being separated in the early solar system, an analysis of their composition suggests. Triton and Pluto ...

The planets of the outer solar system are known for being strange, as are their many moons. This is especially true of Triton, Neptune's largest moon. In addition to being the seventh-largest moon in ...