"This rare event provides an opportunity for astronomers to observe a black hole's behavior in real time," said astronomer ...

San Antonio's average date for its first 100-degree day doesn't come until late June, but history shows that it could come ...

Ansky was first seen erupting in 2019, with bursts of X-ray light from February 2024. These repeated at almost regular ...

Although we know that supermassive black holes (millions of times the mass of our sun) lurk at the center of most galaxies, ...