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

Webb witnessed a highly ionised gas whose level of energy was too high to come from something like supernovae, making ...

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

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

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

We all know that black holes can devour stars, rip them apart and consume their remnants. But that only happens if a star ...

They have refined the estimate of the black hole mass, ruling out the possibility of it being a neutron star. It is thought ...

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

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

Most people know that black holes are kind of scary. Admittedly, that's true, but black holes are so much more than that.

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 ...

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