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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's depiction of Neptune and its largest moon, Triton. The only spacecraft to visit Neptune was the Voyager 2 probe, which ...

SANTA CRUZ, CA–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 ...

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 ...

Like many scientists before him, Caltech Graduate Student Thomas McCord was searching for other answers when he made his unexpected discovery. Curious about the odd behavior of the planet Neptune’s ...

The only spacecraft to visit Neptune was the Voyager 2 probe, which spent just a few precious minutes in the vicinity of this mysterious world during its historic flyby tour of the outer solar system ...