Astronomers have watched a supermassive black hole take two bites of a star, and predicted when it might go back for a third. If it does, this should make for an intriguing stellar light show. Black ...

The Optical Monitor telescope onboard XMM-Newton has obtained one of the most striking ultraviolet pictures ever taken of the ‘LINER’ galaxy M81. Strong ultraviolet (UV) emission is a feature of star ...

Astronomers observed the elusive starlight surrounding some of the earliest quasars in the universe. The findings may shed light on how the earliest supermassive black holes became so massive despite ...

Astronomers have discovered a new way for stars to explode. In a paper published Wednesday in Nature, a team of astronomers describes small, fast stellar explosions, which they’ve named micronovae. A ...

The Hubble Space Telescope’s latest image of the star V838 Monocerotis (V838 Mon) reveals dramatic changes in the illumination of surrounding dusty cloud structures. The effect, called a light echo, ...

White dwarfs may be stellar corpses, but that doesn't mean that everything around them has to be lifeless. That's the conclusion of Florida Institute of Technology researcher Caldon Whyte, who's ...