Alexa C. Gordon

A brief radio flash came from a galaxy that existed soon after the Big Bang. The James Webb Space Telescope helped pinpoint its source—a small, clumpy cluster of stars bustling with star birth. This is the first flash traced to an object at such a distance, and it now allows us to study invisible ga

FRB 20250613A, caught in a dwarf galaxy at z=0.0987, surprised us: its dispersion varied 50 times within minutes. The bursts repeat with a rhythm of 6.8 ms, as if a neutron star is spinning. And most strikingly, the brighter the pulse, the cleaner the ether: the radio wave accelerates oncoming elect