View photosThe Arecibo telescope in Puerto Rico recorded highly polarized signals from the fast radio burst source FRB 121102, twisted by an extreme region of magnetized plasma.More

Scientists are closer to pinning down the source of mysterious cosmic radio bursts – and now have a hint as to what might be causing these strange ‘Fast Radio Bursts’.

Based on telescope showing how the radio signals are ‘twisted’, researchers now believe that the bursts may come from a dead star near a black hole.

Fast Radio Bursts (FRB) have puzzled scientists since 2007 – incredibly short, high-energy pulses which last for a few milliseconds and erupt with the energy the sun releases in a day.

Scientists have been genuinely baffled by the signals – and one Harvard expert

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