Neptune’s moons have long provided evidence of a cataclysm four billion years ago. A new study suggests one moon may have made it through. By Jonathan O’Callaghan Neptune’s moon system is bizarre.

Neptune's moon and ring system stand out among the giant planets because of the strange imbalance between its one very large moon and its many tiny moons. Its largest moon, Triton, makes up more than ...

CAPE CANAVERAL, Fla. — Neptune’s far-flung moon Nereid may be the last of the plane t ’s original companions that managed to survive a cosmic crash, scientists reported Wednesday. Sixteen known moons ...