A study suggests that the ice giant's largest moon, Triton, made a dramatic entrance to the Neptunian system long ago, ...

Nereid may be an original Neptunian moon that was pushed outward when Triton entered the system billions of years ago.

Neptune’s far-flung moon Nereid may be the last of the planet’s original companions that managed to survive a cosmic crash, ...

For decades, scientists believed that Nereid, Neptune's third-largest moon, was not native to the planet at all.

Study changes what we know about Neptune and its mysterious moon Nereid - Nereid was discovered by Dutch astronomer Gerard ...

Neptune’s oddball moon Nereid may be the sole remnant of an earlier system, formed near the planet rather than being pulled ...

Neptune’s third-largest moon, Nereid, could be an intact survivor from the planet’s original satellite system, upending ...

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

Neptune , the farthest of the planets, acts like a shepherd for the outer solar system, gravitationally scattering distant asteroids known as Kuiper ...