If the aliens are coming, they may take a while to get here as the scientists have "tracked the bursts down to a faint dwarf galaxy more than three billion light years away"
Baldric, oh do stop being an old misog, there's a good chap, It's not often that the AnswerBank ventures into the realms of the Twilight Zone. Oh... hang on...
Sorry to jest, Canary. I really do take this subject seriously.
All I know is that we didn't have this problem with Ken Bruce at the helm.
Trevor Nelson rocks up with his 'shaht aht' garbage having mangled Pop Master and the galaxy goes to boggery.
Feltz does nobody any favours either, not even Vacuous Vine.
The number of possible explanations for FRB is approximately equal to the number of papers written about them, so clearly it's one of the few times when "we just don't know" is the completely accurate answer.
Still, if I had to pick an explanation, then I'd go for something more along the lines of magnetars (neutron stars with exceptionally strong magnetic fields).