SETI's 1977 "Wow!" signal from deep space was even stronger than originally thought, but its source remains a complete mystery.

The POSIX signal implementation ensures that if a process is already handling a signal, other incoming signals are suspended until the handler returns. However, if a signal SIGx is sent while a SIGx ...

Researchers have developed a new analog photonic correlator that can be used to locate an object transmitting a radio signal. They demonstrated its ability to identify the location of a radio ...

During the historic April 8 total solar eclipse, a government radio station in Colorado started sending out slightly shifted "time signals" to millions of people across the globe as the moon's shadow ...

Of all the rabbit holes we technical types tend to fall down, perhaps the one with the most twists and turns is: time. Some of this is due to the curiously mysterious nature of time itself, but more ...