The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

"We would need to consider the possibility that the source was created (or trapped as a primordial black hole) by a highly advanced technological civilization," Harvard's Avi Loeb writes.

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

Sagittarius A* has been seen by human eyes with an "image produced by a global research team called the Event Horizon ...