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 ...

Mission engineers at NASA’s Jet Propulsion Laboratory turned off Voyager 1’s cosmic ray subsystem experiment on February 25, ...

In an effort to conserve Voyager 2's dwindling energy and extend the spacecraft's mission, NASA has shut down another of its ...

NASA’s twin Voyager probes, which launched in 1977, are the longest-running missions to send data home. But as their power ...

and Voyager 2 is the only spacecraft to visit Uranus and Neptune. Each spacecraft still has three instruments apiece to study the sun’s protective bubble and the swath of space beyond.

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

A Clue to What Lies Beneath the Bland Surfaces of Uranus and Neptune Nov. 25, 2024 — When Voyager 2 flew by Uranus and Neptune 40 years ago, astronomers were surprised that it detected no global ...

Voyager 1 flew past Jupiter in 1979 and Saturn in 1980, eschewing Uranus and Neptune because scientists wanted to fly past Titan, Saturn's fascinating moon, and could not do so without ruining the ...

The space agency said Wednesday that a sensor on Voyager 2 that analyses charged particles and cosmic rays would be turned ...

The 50th birthday is a must, but the Voyager probes should ideally continue to work into the 2030s. To achieve this, however, ...

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