"Even though black holes are vital to our understanding of the universe, no one has ever seen one -- yet. To change this, a team of scientists in northern Chile, is using a network of telescopes around the globe to capture an image of a black hole for the first time to prove Einstein’s Theory of General Relativity. Rebecca Jacobson reports."

PBS News Hour: http://www.pbs.org/newshour/bb/global-network-telescopes-may-give-us-first-glimpse-black-hole/