Jan 6, 2026 · Dec. 22, 2005: NASA announces the discovery of a new pair of rings around Uranus and two new, small moons (Mab and Cupid) orbiting the planet. The discoveries were made from …

Apr 21, 2025 · Uranus was the first planet found with the aid of a telescope. It was discovered in 1781 by astronomer William Herschel, although he originally thought it was either a comet or a star.

Jan 22, 2026 · The first human-made object to fly past Uranus, Voyager 2 made its closest approach on Jan. 24, 1986, and during its visit discovered 10 new moons, two new rings, and a magnetic field …

Mar 15, 2021 · Due to its remoteness, twice as distant from the Sun as Saturn, Uranus remained largely a mystery following its discovery. Astronomers calculated that Uranus took 84 years to complete one …

Aug 19, 2025 · Using NASA’s James Webb Space Telescope, a team led by the Southwest Research Institute (SwRI) has identified a previously unknown moon orbiting Uranus, expanding the planet’s …

Apr 6, 2023 · Scientists expect that future Webb images of Uranus will reveal the two faint outer rings that were discovered with Hubble during the 2007 ring-plane crossing. Webb also captured many of …

Nov 18, 2021 · Hubble’s October 25th view of Uranus puts the planet’s bright northern polar hood in the spotlight. It’s springtime in the northern hemisphere and the increase in ultraviolet radiation absorbed …

Mar 12, 2025 · Uranus has 28 known moons, including five major moons: Miranda, Ariel, Umbriel, Titania, and Oberon. The moons are sometimes called the "literary moons" because they are named …

Jul 17, 2025 · NASA’s Uranus flyby with Voyager 2 in 1986 found the planet colder than expected, which challenged ideas of how planets formed and evolved. However, with advanced computer modeling …

Dec 22, 2005 · These composite images from several observations by NASA's Hubble Space Telescope reveal a pair of newly discovered rings encircling the planet Uranus. The left composite image is …