Fast radio bursts, powerful pulses of radio energy of unknown cosmic origin, are a source of endless fascination to astronomers and alien conspiracy theory fodder to everybody else. But while most FRBs discovered to date are one-off events—a single chirp in the interstellar void, if you will—these phenomena got more interesting last year when astronomers discovered the very first FRB signal that repeats. Now, they’ve pinpointed its location.