Astronomers have spotted the longest gamma-ray burst ever seen, a cosmic explosion that lasted seven hours — and they determined it could be the work of a black hole destroying a star.

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Scientists say the best explanation for the longest gamma ray burst is that a black hole consumed a star, but they disagree ...

Quasi-periodic eruptions near supermassive black holes offer insights into extreme gravitational environments and accretion ...

Four UC Nobel laureates on what they discovered here, why it matters, and why their world-changing work could only have ...

Research records wind blasting out at 19% speed of light as X-ray burst from supermassive black hole rapidly igniting ...

The European Space Agency said that the black hole inside the spiral galaxy NGC 3783 has the mass of 30 million suns.

A flaring black hole whips up ultra-fast winds of more than 37,000 miles per SECOND, reveals new research. X-ray space ...

Scientists say the best explanation for the longest gamma ray burst is that a black hole consumed a star, but they disagree ...

Scientists observed a supermassive black hole in galaxy NGC 3783 releasing wind at 20% of the speed of light after a sudden X-ray flare. New data from XRISM and XMM-Newton explains how magnetic activi ...

The record-setting cosmic outburst was actually a gamma-ray burst, the most powerful class of cosmic explosions.

An international team of astronomers conducted a ten-day observation of the NGC 3783 black hole using mainly the XRISM space ...