Interstellar visitor 3I/ATLAS has just been subjected to one of the most sensitive alien-technology checks ever mounted on a ...

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

A comet from another star system is sweeping through our cosmic backyard and, for the first time, astronomers have picked up ...

Astronomers in Australia picked up a strange radio signal in mid-June — one near our planet and so powerful that, for a moment, it outshined everything else in the sky. The ensuing search for its ...

The Allen Telescope Array, Hat Creek Radio Observatory. Credit: Alexander Pollak. Radio interferometry is a technique in radio astronomy where signals from two or more radio telescopes are combined to ...

Nick’s Signal Spot is a new feature in which Nick Langan explores RF signals, propagation, new equipment or related endeavors. First, the broken white lines on the Pennsylvania Turnpike asphalt become ...

What if you could decode the invisible chatter of wireless networks, uncovering the secrets of off-grid communication systems, all with tools you can build at home? The intersection of ...

Radio signal dead zones can create a potentially dangerous situation for emergency responders, yet dozens of high-rises in Fort Lauderdale have them, city officials say. That means police and ...