This unexpected awakening, traced to a black hole at the galaxy’s center, offers a rare chance to witness a massive cosmic event in real time. The galaxy, known as SDSS1335+0728 and located ...

Primordial black holes could inhabit the modern-day cosmos, making them responsible for the phenomenon of dark matter, according to new research. In the extremely early universe, primordial black ...

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at regular intervals that have puzzled scientists, a study said Friday.

A massive black hole at the heart of a galaxy in the Virgo ... which is 300 million light years from Earth. Get any of our free email newsletters — news headlines, sports, arts & entertainment ...

SAN SALVADOR — Rights groups are increasingly worried that El Salvador's notorious CECOT prison is becoming a "black hole" for the United States to rid itself of expelled migrants or other unwanted ...

A supermassive black hole, which remained previously inactive, was seen erupting with the longest and most powerful X-ray blasts ever seen from such a cosmic titan at the heart of the galaxy ...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending spacetime, creating a point of no return. While black holes have fascinated ...

PARIS, France — A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at regular intervals that have puzzled scientists, a study said ...