Astronomers have traced a starnge blast of radiowaves that repeats every 2 hours back to a dead star white dwarf magnetically ...

A supermassive black hole with an exceptional 7-minute flash may have a “stellar companion.” Of three possible explanations, one is a white dwarf star caught in the black hole’s gravity.

Now, researchers report that they have caught a supermassive black hole in the act of eating a white dwarf, the last stage of evolution for stars like our Sun – but the white dwarf is not giving ...