Zooming in on the origins of fast radio bursts

CSIRO’s ASKAP radio telescope in Western Australia detected the precise location of four fast radio bursts. Follow-up observations identified and imaged the host galaxies. (CSIRO/Sam Moorfield/Special to West Hawaii Today)

Astronomers have peered into the home galaxies of fast radio bursts, ruling out supermassive black holes as a cause and bringing us a step closer to understanding the origins of these mysterious signals from outer space.