A few years ago, astronomers saw for the first time a patch of cosmic darkness long thought to be unseeable — a black hole, a powerful, elusive beast so dense that not even light can escape its gravity.
Black holes are known to gobble up anything and everything that ventures close to them — gas, stars, planets and even fellow black holes. But this fuzzy, donut-like black hole (later fine-tuned by AI into a skinny ring) in the galaxy M87 is slowly breaking black hole stereotypes. For one, it appears to be giving back to the universe by losing energy.
