Astronomers have identified what appears to be a cosmic smoking gun for a historic supernova explosion, a find that may also help with the search for elusive dark energy in the universe. The new ...

Astronomers have spotted a record-breaking supernova — the largest ever observed. The spectacular stellar explosion released enough light to cover its entire galaxy, outshining normal supernovae by ...

In space, things frequently go boom. And recently, on Oct. 9, astronomers observed an extraordinarily colossal boom. NASA's Swift Observatory, which is specifically designed to spot the most powerful ...

Electron-capture supernovae (ECSNe), a theoretically predicted stellar explosion type for stars in the 8-10 solar mass range, are now empirically confirmed by the analysis of SN 2018zd. The ...