And the outer solar system contains one striking crime scene holding a big mystery: How the environment around Neptune got a moon like Triton. Neptune has 14 known moons. With the exception of ...

Here’s how it works. Triton is the largest of Neptune's moons. Discovered in 1846 by British astronomer William Lassell — just weeks after Neptune itself was found — the moon showed some ...

Jupiter, Saturn, and Uranus all fit this picture, but Neptune is an outlier. It’s one large moon, Triton, appears to be a captured Kuiper belt object, and obliterated almost the entire Neptunian ...

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 ...

Or how it looks. Or because it embodies mysteries no one can solve. Neptune’s moon Triton possesses all three qualities. Triton is the most distant of the solar system’s major moons — and ...

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 returns to the edge of the solar system in search of answers—where did Neptune’s moons really come from? What secrets is Neptune hiding? A cosmic story of capture, identity, and moon-sized ...

On August 25, 1989, Voyager 2 sailed past Triton, capturing our first real look at Neptune’s moon. With half the moon lost in shadow, we only got a glimpse of the icy moon. Now that footage has ...

Curious about the odd behavior of the planet Neptune’s two moons, Triton and Nereid, he set out to make a mathematical analysis of their unusual orbits. Last week in the Astronomical Journal ...

This is Neptune's largest moon, Triton, which has been visited only once by NASA's Voyager 2 in 1989. But are Triton's geysers the only characteristics that make it a good target for astrobiology ...

But mining Neptune’s deep interior is impossible, because no robot can survive at the planet’s extreme pressures. The moon Triton tends to let off steam A photo montage of Neptune peeking ...