Uranus is the seventh planet from the Sun, and it's the third largest planet in our solar system – about four times wider than Earth. Uranus is a very cold and windy planet. It is surrounded by faint rings, and more than two dozen small moons as it rotates at a nearly 90-degree angle from the plane of its orbit.

Uranus, seventh planet in distance from the Sun and the least massive of the solar system’s four giant, or Jovian, planets, which also include Jupiter, Saturn, and Neptune. At its brightest, Uranus is just visible to the unaided eye as a blue-green point of light.

A solar wind event squashed the protective bubble around Uranus just before Voyager 2 flew by the planet in 1986, shifting how astronomers understood the mysterious world.

Uranus is the seventh planet from the Sun, and it has the third largest diameter of planets in our solar system. Uranus appears to spin sideways.

Learn about Uranus, the ice giant that spins on its side and has rings and moons. See pictures, facts, and history of this distant planet.

NASA’s Voyager 2 flyby of Uranus decades ago shaped scientists’ understanding of the planet but also introduced unexplained oddities. A recent data dive has offered answers. When NASA’s Voyager 2 spacecraft flew by Uranus in 1986, it provided scientists’ first — and, so far, only — close glimpse of this strange, sideways-rotating ...

Learn about Uranus, the seventh planet from the sun, with its unique tilt, rings, moons, and atmosphere. Find out how it was discovered, what it looks like, and why it smells like rotten eggs.

Now, new research analyzing the data collected during that flyby 38 years ago has found that the source of that particular mystery is a cosmic coincidence: It turns out that in the days just before Voyager 2’s flyby, the planet had been affected by an unusual kind of space weather that squashed the planet’s magnetic field, dramatically compressing Uranus’ magnetosphere.

See the blue-hued planet Uranus with its dramatic rings and bright features in infrared wavelengths. Learn how Webb's sensitivity reveals the mysterious polar cap, clouds, and storms of the ice giant.