caltech

Old Equations Shed New Light on Quasars

There's nothing more out of this world than quasi-stellar objects or more simply - quasars. These are the most powerful and among…

8 years ago

Nearby Galaxy Holds First Ultraluminous X-Ray Source that is a Pulsar

A research team led by Caltech astronomers of Pasadena California have discovered an ultraluminous X-ray (ULX) source that is pulsating. Their…

8 years ago

Early Supermassive Black Holes First Formed as Twins

It's one of the puzzles of cosmology and stellar evolution: how did supermassive black holes get so... well, supermassive... in the…

9 years ago

Star’s Dying Gasp May Signal Black Hole’s Birth

A distinctive flash of light emanating from a dying star may make it possible for astronomers to watch a black…

10 years ago