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

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

At just about 10 km (6 miles) in diameter, S/2025 U1 is incredibly small as far as moons go; it’s so tiny that Voyager 2, ...

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

A team led by scientists at the Southwest Research Institute (SwRI) in Colorado made 10 different 40-minute exposures of ...

“No other planet has as many small inner moons as Uranus, and their complex inter-relationships with the rings hint at a ...

Uranus' 29th moon was hidden inside the planet's dark inner rings, new observations from the James Webb Space Telescope ...

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

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

In the space close to the icy planet, outside its ephemeral rings, JWST snapped a tiny object that no one had ever seen ...

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

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