Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 4 years old. This global color ...

Triton is classified as one of the solar system's seven major moons, characterized by its spherical shape, substantial mass, and a diameter exceeding 1,500 miles. Despite its classification, Triton ...

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 rotation, suggesting it was once a wandering object captured from the distant ...

Neptune’s large moon Triton may have abandoned an earlier partner to arrive in its unusual orbit around Neptune. Triton is unique among all the large moons in the solar system because it orbits ...

NASA’s Voyager 2 spacecraft gave humanity its first close-up glimpse of Neptune and its moon Triton in the summer of 1989. Like an old film, Voyager’s historic footage of Triton has been restored and ...

Call it a cosmic coincidence. On its quest to reach Pluto, NASA’s New Horizons spacecraft is crossing Neptune’s orbit today, Aug. 25 -- the same day that the Voyager 2 spacecraft visited the giant icy ...

Triton, unique among all the large moons in the solar system because it orbits Neptune in a direction opposite to the planet's rotation, may have abandoned an earlier partner to arrive in its unusual ...

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 ...