The 25 ground-based and orbiting telescopes that comprise the EHT saw the outburst as high-energy light called gamma rays. Not only was this the first time M87* had flared since 2010, but the ...

WEST LAFAYETTE, Ind. -- An international team of astronomers has observed extremely rapid bursts of high-energy gamma rays from a distant galaxy, an observation that is challenging how astronomers ...

An international research team has now observed a teraelectronvolt gamma-ray flare seven orders of magnitude ... The first-ever photo of a black hole rocked the world in 2019, when the Event ...

In 2019, the world was mesmerized by the first-ever image of a black hole, courtesy of the Event Horizon Telescope (EHT). The striking image depicted the supermassive black hole at the center of the ...

and these results are a striking example of that. "Fermi-LAT has revealed a notable increase in flux in the same period as the other observatories, helping to identify the region of gamma-ray ...