The quasi-periodic eruptions of X-rays from a black hole 300 million light-years away are unlike any researchers have ever ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth. And what they’ve documented challenges prevailing theories about black hole ...

A supermassive black hole dormant for decades has just awakened in a distant galaxy. This sudden activation provides a unique ...

While solitary black holes should be common, they are hard to find. The one in Sagittarius revealed itself when it passed in front of a dim background star, magnifying the star’s light and slowly ...

A team of astronomers at the Space Telescope Science Institute, working with one colleague from the University of St Andrews' ...

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 rare event provides an opportunity for astronomers to observe a black hole’s behavior in real time, using X-ray space telescopes XMM-Newton and NASA’s NICER, Chandra and Swift,” said Dr. Lorena ...

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 ...

We've all woken up in a terrible mood from time to time ... with NASA's Swift X-ray space telescope. By Feb. 2024, astronomers had begun to see the black hole powering Ansky erupting with flares ...

A new discovery has surfaced, wherein the first-ever solitary black hole has been revealed in the Sagittarius constellation.

A PR expert has given her verdict on Katy Perry's 11-minute trip to space as fans question the environmental impact of the ...