Scientists have discovered a new, elusive moon around Uranus, making it the 29th natural satellite known to orbit the ice giant. The research team that made the discovery estimates that the moon, dubbed S/2025 U1 for now (at least,

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than images from ground-based telescopes. In August of that year, Hubble made one of its first discoveries,