Neptune has a complicated life story, and its moon Nereid might be the only one left standing from the planet’s ...

May is ending with a second full moon of the month, known as a Blue Moon, and the possibility to see four planets.

May is ending with a rare celestial event: a Blue Moon. The second full moon of the month will rise on the night of Friday, ...

Using data from the Webb space telescope, a team of researchers is suggesting that Neptune’s moon Nereid is the only survivor ...

This goes against the previous theory, which has long suggested that Nereid is actually an object captured from the Kuiper ...

Neptune's moon Nereid may be the sole survivor of an ancient set of moons, according to new findings from NASA's James Webb ...

Neptune’s moons have long provided evidence of a cataclysm four billion years ago. A new study suggests one moon may have ...

A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, kicking Nereid outward and destroying the planet's other original lunar companion ...

See dazzling planets, the Milky Way and a trio of celestial animals brightening the spring sky around May's new moon.

Provided they host thick, hydrogen-dominated atmospheres, moons orbiting free-floating exoplanets could retain much of the heat generated deep within their interiors by tidal forces. Led by David ...