In 1916, Einstein predicted the presence of gravitational waves. One century later, we are recording the first sounds from space, evidence of the waves’ existence caused by the collision of two black holes. An authoritative account of the headline-making discovery by theoretical astrophysicist and award-winning writer Janna Levin, Black Hole Blues and Other Songs from Outer Space recounts the fascinating story of the obsessions, aspirations, and trials of the scientists who embarked on an arduous fifty-year endeavor to capture these elusive waves.