Scientists probe a mysterious repeating radio signal from outside our galaxy 

Nearly 500 million light years away, a mysterious radio signal is repeating itself.It’s a new piece in the puzzle of fast radio bursts (FRBs) — short bursts of radio waves that are so powerful that scientists are able to detect them on Earth, despite their extragalactic origins. Fast radio burst

Source: Scientists probe a mysterious repeating radio signal from outside our galaxy – Alternet.org