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 ...

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