Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 ...

The supermassive black hole is that first one that astronomers ever photographed. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For more than a ...

Observations with the Event Horizon Telescope enable researchers to localize the likely base of the central outflow in a ...