Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied." ...

An international team of researchers has detected a binary star orbiting near Sagittarius A*, the supermassive black hole ...

Dark stars can be incredibly huge, stretching for thousands of light-years, while still having relatively low density. This would match observations of galaxy cores, which makes this an intriguing ...

Scientists used the James Webb Space Telescope to study the unusual star-forming timeline of dwarf galaxy Leo P. Credit: NASA / ESA / CSA / Kristen McQuinn Most small galaxies that stopped making ...