Now, this same black hole is once again captivating scientists with an extraordinary gamma-ray flare that’s emitted photons ...

And as it turns out, the black hole — dubbed M87* and located some 55 million light-years away — also let out a massive belch of gamma rays while scientists from the Event Horizon Telescope ...

Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a ...

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

Ansky, a once-dormant black hole, is now emitting powerful X-ray bursts, giving scientists a rare chance to study its ...

In these cases, the core of the star collapses to be a super-compressed, spinning black hole, which stirs and energize the wreckage around it to briefly emit a tremendous burst of gamma rays.

This offered a unique opportunity: It became possible to monitor a feasting and erupting supermassive black hole in real time. "The bursts of X-rays from Ansky are ten times longer and ten times ...