A research team led by University of Manchester astronomers has carried out a long-term monitoring campaign of a repeating fast radio burst called FRB 121102 with the 76-m Lovell Telescope and detected a period of 157 days with a duty cycle of 56%. An artist’s impression of an orbital modulation model where the FRB progenitor (blue) is in an orbit with a companion astrophysical object (pink). Image credit: Kristi Mickaliger. Fast radio bursts are...