The Great Blue Hole off the coast of Belize looks like someone punched a perfect circular hole straight through the ocean floor, creating a dark blue void that’s so massive and distinct it shows up ...

Here is what you will learn when you read this story: Little red dots (LRDs) observed by the James Webb Space Telescope were initially thought to be galaxies, but something was amiss. Researchers who ...

Astronomers have spotted the largest and most distant flare ever observed from a supermassive black hole. Nicknamed “Superman,” the flare originated 10 billion light-years from Earth, and at its peak, ...

A sudden X-ray flare from a supermassive black hole in galaxy NGC 3783 triggered ultra-fast winds racing outward at a fifth the speed of light—an event never witnessed before. Using XMM-Newton and ...

Astronomers have detected spacetime itself being dragged and twisted by a spinning black hole for the first time. The discovery, seen during a star’s violent destruction, confirms a prediction made ...