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

Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to 29 — and more likely remain undiscovered.

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

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

For decades, scientists puzzled over why Uranus seemed colder than expected. Now, an international research team led by the ...

Designated S/2025 U1, the newly discovered moon is so small and faint that astronomers are wondering if Uranus might be ...

NASA's James Webb Space Telescope has spotted a tiny moon orbiting Uranus, expanding the number of the planet's known ...

Scientists have spotted a new moon orbiting Uranus that is so tiny it can be circumnavigated in just a few hours.

Like the Uranus's other 28 moons, the newfound object spotted by JWST will be named after a William Shakespeare or Alexander Pope character.

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

If you can’t beat ‘em, bend over,” said a giggling Dr. Maryame El Moutamid, who also recently announced that the James Webb ...