Infrared observations help astronomers uncover hundreds of obscured supermassive black holes, reshaping cosmic understanding.

There's a universe full of black holes out there, spinning merrily away—some fast, others more slowly. A recent survey of ...

NASA compares the universe's biggest black holes with "each other and to our solar system," in this Goddard Space Flight ...

How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 ...

Sgr A*, at the heart of the Milky Way and clocking in at 4.3 million solar masses, is the closest supermassive black hole we have access to. It's also on the quiescent end of the activity scale, which ...