On June 29, five independent teams of radio astronomers published a series of papers presenting evidence that the universe is filled with gravitational waves created by colliding supermassive black holes. The North American, European, Indian, Chinese and Australian teams monitored rapidly spinning dead stars known as pulsars to gather information about the gravitational waves. “The results presented today mark the beginning of a new journey into the Universe to unveil some of its unsolved mysteries,” Michael Keith a lecturer in astrophysics at the University of Manchester’s Jodrell Bank Centre for Astrophysics and member of the European Pulsar Timing Array (EPTA),…