Nearby stars appearing red in a sky survey image. (SDSS) From billions of light-years across the vast gulf of space-time, from the very dawn of the Universe, astronomers have detected the light of a single star. Its discoverers have nicknamed it Earendel, from the Anglo-Saxon word meaning "morning star"; to date, it is the most distant object of its kind ever detected, dating to just 900 million years after the Big Bang. Because Earendel's light has traveled so far to reach us, its properties are difficult to discern, but follow-up observations have already been approved for the James Webb Space...