Neptune is an ice giant, composed primarily of hydrogen, helium, and methane, with a hot, dense fluid of icy materials above a small rocky core. Neptune has 14 known moons and at least five main rings ...

Voyager 1 crossed into interstellar space in 2012, followed by Voyager 2 in 2018, making them the only spacecraft to operate ...

A pair of extraordinary space missions that have been headed out of the solar system for almost half a century are getting a ...

(It's worth noting that Uranus and Neptune are too faint to see with ... Various interplanetary spacecraft can use the specific positioning of planets to perform gravity assists, effectively ...

NEW YORK — NASA is switching off two science instruments on its long-running twin Voyager spacecraft to save power. The space ...

Kyle Neptune is out as head coach of Villanova men’s basketball, the school announced on Saturday. Neptune was let go after ...