Triton, the largest moon of Neptune—The Cantaloupe Moon, with its literal cantaloupe-like terrain and active geysers, Triton is one of the most intriguing objects in the solar system. Aside from these ...

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 ...

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 ...

An enhanced view of Neptune's largest moon, Triton. Sometimes, astronomy is like a forensic investigation: We can't just rerun the past, so we have to study clues to figure out what happened. And the ...

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 ...

Newly released images commemorate the 20-year anniversary of the Voyager flyby of Neptune’s moon Triton on Aug. 24, 2009. Triton was the last solid object visited by NASA’s Voyager 2 spacecraft as it ...

When we think of moons, we usually think of our Moon. It's bright and familiar, can be seen with the naked eye, and the only one humans have ever set foot on. But in the grand scheme of the solar ...

Five worlds in the solar system have active volcanoes (those that are currently erupting or have erupted in human history): Earth, Jupiter’s moons Io and Europa, Neptune’s moon Triton, and Saturn’s ...

NASA’s James Webb Space Telescope’s has taken the clearest pictures of Neptune’s rings in more than 30 years, and the space agency released them this week. As a bonus the telescope also captured seven ...

A clear night often pulls our eyes skyward. Many wonder what worlds shine beyond our own Moon. Scientists now highlight eight stunning moons that reshape our view of the Solar System. Each moon holds ...