A radio burst was pulsing from the Milky Way. Astronomers traced it to a dead star

Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance with another star.

​ Astronomers say they have traced a mysterious pulsing in the Milky Way to a surprising source: a dead star locked in a dance with another star. Read More Breaking News, Latest News and Videos | CNN