The provisionally named S/2025 U1 is so small it had gone unnoticed by probes and telescopes for the past 40 years.

The discovery expands Uranus’s known family of satellites to 29, with the tiny moon measuring just 6 miles across.

Uranus has 28 known moons in its orbit, but thanks to the James Webb Space Telescope, scientists believe they just uncovered ...

Over millions of years, Uranus’s inner moons may have collided and spread out into rings. As the material in the rings ...

Roll out the cosmic welcome mat for our solar system’s newest resident: a never-before-seen moon orbiting Uranus. The Webb ...

NASA scientists at the Southwest Research Institute discovered a 29th moon orbiting Uranus while using infrared detection ...

The Webb Space Telescope has spotted a new tiny moon orbiting Uranus. NASA announced the discovery on Tuesday. The moon ...

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to ...

NASA's James Webb Space Telescope has detected a new moon, S/2025 U1, orbiting Uranus. This tiny moon, only 10 kilometers in ...

The newfound satellite, only about six miles wide, becomes Uranus’ 29th known moon and orbits near the planet’s inner rings.

NASA’s James Webb Space Telescope has found a previously unknown moon orbiting Uranus.

NASA's James Webb Space Telescope has discovered a new moon, S/2025 U1, orbiting Uranus, increasing the planet's known moons to 29.