The Sagittarius A* supermassive black hole at the core of the Milky Galaxy may be "warping the spacetime surrounding it into ...

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

Dubbed by some as a “door to hell,” the black hole exerts an extreme influence on its surroundings, warping space-time and generating powerful emissions that stretch across vast distances.

"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...

A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show! ESA’s XMM-Newton and other X-ray telescopes are capturing massive bursts of ...

"This pushes our models to their limits and challenges our existing ideas about how these X-ray flashes are being generated." ...

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

The black hole at the heart of galaxy SDSS1335+0728, located 300 million light-years away, was quiet for decades as it ...

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