Astronomers have yet to find irrefutable proof for any natural satellites of exoplanets—so-called exomoons—but as circumstantial evidence accumulates and the list of candidates grows, the discovery of ...
Learn how researchers may have discovered an exomoon about 635 light-years away orbiting gas giant exoplanet WASP-4b. Credits: NASA/JPL-Caltech An AI deepfake was final straw for a Washington state ...