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 ...

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

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

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

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

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 ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

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

Astronomers confirm ‘lite intermediate’ black holes, too large for ordinary stars, revealing clues about early stellar ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have instead ...