The farthest spacecraft from Earth has shut down another instrument in the hopes of buying time for an upgrade that could ...

The cold, icy world of Uranus is framed by a pair of rings that orbit the planet at twice the distance of its main ring ...

NASA has shut down a science instrument on the iconic Voyager 1 probe, the first spacecraft to reach interstellar space.

NASA has shut down a science instrument on Voyager 1 to extend the aging space probe's life as it ventures nearly 16 billion ...

Only one spacecraft has ever visited Uranus. Voyager 2 flew past in January 1986; no orbiter has followed in 40 years. NASA's Uranus Orbiter and Probe, is now top priority but it's already slipping.

Uranus' ring turns out to be pure ice from a small moon, revealing an unexpected origin within the planetary system.

What's behind the odd magnetic fields observed around ice giants? Why, quasi-1D superionic hydrogen, of course.

The two faintest outer rings of Uranus look nothing alike, and that mismatch is pushing planetary scientists toward a ...

Two faint rings circling Uranus look almost identical in photographs, but when astronomers finally split their light into a full color spectrum, the rings turned out to be made of strikingly different ...

This week, NASA announced it had shut down one of that spacecraft's remaining science instruments — not because the mission ...

The two most puzzling rings around Uranus are gradually giving up their secrets, only to deepen the mystery of the Uranian ...