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 ...

It’s time to add one more tiny moon to Neptune’s icy family tree. Astronomers using the Hubble Space Telescope have spied a previously undetected satellite around the solar system’s eighth planet, ...

WASHINGTON — Astronomers have found three previously unknown moons in our solar system — two additional moons circling Neptune and one around Uranus. The distant tiny moons were spotted using powerful ...

William Lassell, an amateur astronomer, discovered Neptune's moon Triton on October 10, 1846, using his self-constructed 20-foot reflector telescope, a mere 17 days after Neptune's initial ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The moon and Saturn will be visible in the eastern sky in the early hours of June 19, with dimmed ...

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 ...