Beneath a stream of radio noise gathered over the course of a long night of observation, the signal came in quietly.
When a supernova occurs, it sometimes leaves a neutron star behind. These neutron stars spin extremely rapidly, producing radio waves that are sent out into the universe. Those radio waves are ...
After decades of ultra-reliable behavior, the pulsar PSR J1713+0747 suddenly changed its output in April 2021. Astronomers have documented the change and subsequent modifications, and offered some ...