NASA’s James Webb Space Telescope has found a previously unknown moon orbiting Uranus.NASA announced the discovery on Tuesday, adding that the moon was first spotted on Feb. 2. Scientists estimate that the newly discovered moon is about six miles in diameter.

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

The Webb Space Telescope has spotted a new tiny moon orbiting Uranus. NASA announced the discovery on Tuesday. The moon appears to be just six miles wide.