Two teams of astronomers have finally found the long-sought progenitor star to a Type Ic supernova by sifting through Hubble archival data. An artist’s concept of a blue supergiant star that once existed inside a cluster of young stars in the spiral galaxy NGC 3938. Image credit: NASA / ESA / J. Olmsted, STScI. A Type Ic supernova is thought to detonate after a massive star has shed or been stripped of its outer layers of hydrogen and helium. These...