“This massive flare is just so much more energetic than anything we’ve ever seen before,” he said, adding that at its peak, the outburst was 30 times more luminous than any previous black hole flare ...

Using the Zwicky Transient Facility (ZTF) and the Catalina Real-Time Transient Survey, the team witnessed a supermassive black hole roughly 500 million times more massive than the sun make a months’ l...