For the past 35 years, an unusual radio signal from deep space has continued to reach Earth at regular intervals — every 22 ...

The Crab Pulsar, a remnant of a supernova whose explosion was visible from Earth in 1054, emits a mysterious radio signal known as the "zebra" pattern. This signal has long intrigued scientists, and ...

FM radio works the same way that AM radio works. The difference is in how the carrier wave is modulated, or altered. With AM radio, the amplitude, or overall strength, of the signal is varied to ...

Astronomers have finally identified the source of mysterious radio waves from deep space, tracing the signals back to an unusual stellar pair locked in a swift orbit, flashing out their location ...

The largest radio telescope FAST detects 90% circular polarization and rapidly changing linear polarization in the bursts of ...