A small and dim moon has been discovered in orbit around Uranus, bringing the planet's total to 29. Many of the planet's other moons are named after characters from works by William Shakespeare and ...

A mysterious cluster of 60 stars may be just another Milky Way star cluster, or it may be one of the smallest galaxies ever seen. How do you distinguish a galaxy from a mere cluster of stars? That's ...

CLEVELAND, Ohio — The outer reaches of our solar system just got a little more crowded, with astronomers spotting a previously unseen moon circling Uranus. Using NASA’s James Webb Space Telescope, a ...

A new SwRI-led JWST survey discovered S/2025 U 1 (approximate location indicated in yellow), a tiny moon orbiting Uranus between the satellites Bianca and Ophelia. If it has an albedo comparable to ...

Quasi-moons are not real moons and don't actually orbit the Earth, although they sometimes appear to do so for short periods of time, Phil Nicholson, professor of astronomy at Cornell University, told ...