WASHINGTON - Astronomers using what is considered to be the most powerful space telescope ever built say they have discovered a previously unknown moon orbiting Uranus , expanding the count of the planet’s natural satellites to at least 29.

According to NASA , scientists using the James Webb Space Telescope spotted the small moon earlier this year and gave it the initial designation of S/2025 U1.

"This object was spotted in a series of 10 40-minute long-exposure images captured by the Near-Infrared Camera (NIRCam)," Maryame El Moutamid, lead scientist at the Southwest Research Institute’s Solar System Science and Exploration Division in Boulder, Colorado, said in a statement. "It’s a small moon but a significant discovery, which is something that even NASA’s Voyager 2 spacecraft didn’t s

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