One of the most perplexing discoveries in modern astronomy has been finding supermassive black holes, some weighing billions ...

Using the XMM-Newton telescope, astronomers have witnessed high-speed "burps" erupting from a distant overfeeding ...

The discovery, made with the LOFAR (LOw Frequency ARray) radio instrument in Europe, indicates that galaxy clusters, which ...

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

A distant supermassive black hole has stunned astronomers by expelling matter at speeds nearing a third of light velocity after consuming material at an extreme rate. Designated PG1211+143, this ...

Hubble Space Telescope snapped an image of UGC 11397, a spiral galaxy situated in the constellation Lyra, about 250 million ...

Supermassive black holes usually lurk unseen, but when an unlucky star drifts too close they ignite titanic outbursts ...

Priyamvada Natarajan has spent decades exploring some of the universe’s most persistent mysteries, particularly the unseen ...

NASA/ESA's Hubble Space Telescope captures an image of the active galactic center in spiral galaxy UGC 11397, located in the ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

Researchers have observed strange goings-on around a supermassive black hole located nearly 300 million light years away.