Pulsars are ultra-dense, rapidly spinning, and highly magnetized remnants of dead stars. They act like cosmic lighthouses, sending out regular pulses of radio waves and sometimes gamma rays in beams ...

Pew Research Center illustration showing the former KNOF radio tower in St. Paul, the KSBJ radio studio in Houston, and a woman reading a Bible in Seneca, South Carolina. (Milonica via Wikimedia ...

When he was 16 years old, Albert Einstein imagined chasing after a beam of light and, as the story goes, this feat of imagination helped him develop the now-famous theory of special relativity.

In a world of Spotify, Tidal, and countless other audio streaming services, who listens to terrestrial radio in their car anymore? It's basically nobody, right? Well, there are more radio listeners ...