A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

This NASA/ESA Hubble Space Telescope image features the picturesque spiral galaxy NGC 4941, which lies about 67 million light ...

After years of observation, researchers concluded that the sudden changes in the galaxy were likely caused by its black hole ...

Nicknamed the “Big Wheel,” a giant, spiral-shaped disk galaxy was spotted in an unusually crowded part of the early universe just two billion years after the big bang ...

NASA's Hubble has captured stunning images of NGC 4941, revealing details of star formation, helping scientists understand ...

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

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

NASA’s James Webb Space Telescope provided a closer look at the aftermath of a star that wreaked violence on its planet ...

Scientists have observed a previously inactive supermassive black hole producing regular, powerful X-ray eruptions that ...

Black holes power some of the most energetic phenomena in the known universe, but could they ever power an advanced human ...

Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to ...

The star's shattered material becomes a stream that spins rapidly around the black hole, forming what is called an accretion disc ... galaxy SDSS1335+0728 has been classified as an "active ...