![An illustration shows mysterious fast radio bursts as they bombard Earth from deep space.](https://cdn.mos.cms.futurecdn.net/HDPRTNZKVHwyVUaAEpbpD6-320-80.jpg)
Strange 'slide whistle' fast radio burst picked up by alien-hunting telescope defies explanation
The fascinating patterns of 35 repeating fast radio bursts (FRBs) reveal new properties of these mysterious blasts of deep-space radiation that appear and disappear in milliseconds.