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Since fast radio bursts (FRBs) were first discovered over a decade ago, scientists have puzzled over what could be generating these intense flashes of radio waves from outside of our galaxy. In a gradual process of elimination, the field of possible explanations has narrowed as new pieces of information are gathered about FRBs – how long they last, the frequencies of the radio waves detected, and so on. Now, a team led by McGill University researchers and members of Canada’s CHIME Fast Radio Burst collaboration has established that FRBs include radio waves at frequencies lower than ever detected before, a discovery that redraws the boundaries for theoretical astrophysicists trying to put their finger on the source of FRBs.

United kingdomBritish columbiaDaniele michilliZiggy pleunisMcgill department of physicsNational research council of canadaUniversity of torontoPerimeter institute for theoretical physicsUniversity of british columbiaMcgill universityMcgill university is canadaDepartment of physics at mcgillRadio burstAstrophysical journalLow frequency arrayPerimeter institute