Puny galaxy packs a big punch: A gazillion joules' worth of radio bursts

Boffins get best fix so far on mysterious 'FRB' location

Sorry to say this, but fast radio bursts still aren't alien communications. There is a surprise, however, in the latest science about them - the only repeating burst yet known comes from a "puny" galaxy with no obvious sources for such a cataclysmic cosmic event."