Uranus

NASA's far-flung Voyager 1 spacecraft has taken its backup thrusters out of mothballs.

In this edition of Mobile Astronomy, we'll show you how to use your favorite mobile astronomy app to find Uranus and Neptune, and even see some of their moons!

Midautumn places the two outermost planets in excellent position for viewing.

Since NASA's Cassini spacecraft has ended its epic 13-year stint at Saturn, here's a look at some other missions en route to new destinations or slated to launch in the next few years.

In honor of NASA's Voyager 1 probe's 40th anniversary today (Aug. 5), William Shatner helped send a special message to the distant spacecraft, selected by popular vote.

"Diamond rain" that may shower through the layers of Neptune and Uranus has been created in a laboratory for the first time, according to a new study.

Voyager project scientist Ed Stone discusses the greatest achievements of the epic mission, which lifted off 40 years ago today (Aug. 20).

New NASA mission ideas would investigate the gassy environments of Uranus and Neptune, two planets on the edge of the solar system that spacecraft have visited only once.

Bright auroras light up Uranus' atmosphere in two newly released photos, which combine observations by NASA's Hubble Space Telescope and the agency's Voyager 2 probe.

Uranus may have small, undiscovered moons and there are likely more to be found elsewhere.

The rings of Saturn, Neptune and Uranus are composed of pieces of Pluto-like dwarf planets that strayed too close to the giant worlds long ago, a new study suggests.

Weird waves in Uranus' rings suggest there might be two tiny, unknown moonlets orbiting there.

A new study models what Planet Nine might look like and how detectable it may be — if the hypothesized world does indeed exist.

Explore a few of our favorite facts about this oddball planet in the outer solar system.

On Jan. 24, 1986, NASA's robotic Voyager 2 probe zoomed by Uranus, giving humanity its first up-close look at the seventh planet from the sun.

Often overlooked, Uranus, one of the solar system's "ice giants," can prove a challenging, but worthwhile target for amateur astronomers this month.