Second, Triton is one of the irregular moons. It orbits backward relative to Neptune's spin, and its orbit is inclined at a stunning 67 degrees — almost perpendicular to its parent planet.

Neptune's original family of satellites may have been destroyed when its largest moon, Triton, entered the picture. New research suggests that the massive moon may have tossed some of the original ...

Triton isn’t just any moon – it’s one of the most mysterious objects in the entire solar system. In this video, we explore ...

So far, only a single spacecraft has ever visited Triton. In the summer of 1989, Voyager 2 flew by Neptune and its system, and was able to photograph the southern hemisphere of the moon.

Triton, Neptune's largest satellite ... Are any of Neptune’s outer moons remnants of its original circumplanetary disk? Are there additional moons waiting to be discovered?

The planet Neptune reaches “opposition” today. With Earth precisely between it and the Sun, the pale blue ice giant never looks brighter during the year to planet-watchers as it does this week.

Timing is also critical because of the moon’s changing seasons as Neptune makes its orbit around the sun. “In order to view the plumes that Voyager saw in 1989, we have to encounter Triton ...

NASA is planning a mission to the coldest known object in our solar system in its hunt for alien life. The legendary space agency wants to send a high tech probe to Neptune's icy moon Triton ...

(SPACE.com) 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 ...

Passing Neptune, Triton lost enough energy to be captured, while its companion gained energy and was expelled. Odd indeed. This pinball game made Triton the only major moon in our solar system ...