The largest-ever pair of radiation jets has been discovered bursting out of a distant supermassive black hole, burning brighter than 100 galaxies, or over a trillion stars. From the end of one jet to ...

A dormant volcano — a supermassive black hole — lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago. Astronomers have long suspected such an outburst ...

Double-star systems that sit near the center of Messier 87 are in the plasma jet splash zone, potentially making novae more likely. Share on Facebook (opens in a new window) Share on X (opens in a new ...

Even quiet black holes like Sagittarius A* need to vent sometimes. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Using NASA's Chandra X-ray ...