Mysterious 'Fast Radio Burst' Traced Back to Its Home Galaxy for First Time Ever

Three and a half billion years ago, a mysterious object on the edge of a distant galaxy spewed forth an intensely bright, vanishingly brief burst of radio energy that shot across the universe.That pulse of energy -- known to its fans in the astronomy community as a fast radio burst (FRB) -- passed through a wilderness of gas, dust and empty space on its multi-billion-year journey, slowly stretching and changing color as it moved. Then, for less than a millisecond in 2018, that burst zapped past