Triton is Neptune’s biggest moon, discovered in 1846 by William ... but it’s still pretty special. It’s the fifth-largest moon in the solar system and likely formed billions of years ago ...

One of the bold new Discovery missions would visit far-off Triton, Neptune’s largest moon, where we hope to learn how potentially habitable worlds could form billions of miles from a star.

Lead researcher Professor Darren Williams points to Triton, Neptune’s moon, captured from a binary. Triton’s similarly inclined orbit hints Earth’s moon may share this origin. Published in ...

As NASA's New Horizons mission heads to Pluto, scientists could get an idea of what to expect by studying Triton, Neptune’s strange icy moon. New Horizons marked a major anniversary on Aug 25 ...