Astronomers have created the first large scale map of dark molecular gas in the Milky Way, revealing vast networks of invisible star forming material that have so far have remained undetected. Using the Green Bank Radio Telescope to observe faint signals from carbon, the research team has finally started to uncover one of astronomy's biggest mysteries. Their discovery uncovers turbulent flows of gas moving faster than expected and show how raw galactic matter transforms into the molecular clouds where stars are born.