February 2020 Sci News reported on this galaxy XMM-2599 discovered about 12 billion light-years away. Astronomers using the Multi-Object Spectrograph for Infrared Exploration (MOSFIRE) at the W. M. Keck Observatory have discovered an ultramassive galaxy 12 billion light-years away from Earth. The unusual galaxy, named XMM-2599, formed stars at a very high rate and then died; why […]