Another mysterious radio burst in space is repeating a pattern. This one occurs every 157 days - CNN

For the second time, astronomers have detected a pattern in a mysterious fast radio burst coming from space. It repeats every 157 days and originates in a dwarf galaxy over 3 billion light-years away. FRBs are millisecond-long bursts of radio waves in space. https://www.cnn.com/2020/06/08/world/second-repeating-fast-radio-burst-pattern-scn-trnd/index.html