While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

This artist’s impression shows a star going supernova. About 22 million light-years away the supernova, SN 2024ggi, exploded in the galaxy NGC 3621. Using the ESO’s Very Large Telescope, astronomers ...

PHOENIX — Like a motorboat doing doughnuts in a lake, Betelgeuse’s companion star leaves a wake in the giant star’s atmosphere. Signs of the smaller star’s trail around the red supergiant are the best ...

Swift observations with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed the explosive death of a star just as the blast was breaking through the star's surface. For ...