Black hole observations solve cosmic-ray mystery. The observations point to a place where particles of matter spewed by a black hole in a region known as the Manatee Nebula are accelerated to near-lig

An array of telescopes in Namibia has uncovered the source of some of the most energetic particles in the cosmos, making a momentous discovery in the vast, starry expanse of our galaxy. This discovery, which revolves on the mysterious Manatee Nebula, is a major step forward in our long-running effor...