What if humanity’s first unmistakable sign of alien technology is not a greeting, but a distress flare? That possibility sits at the center of a growing idea in technosignature research: the signals ...

In 1967, astronomers thought they had finally heard from the neighbors. They intercepted a signal so regular and precise it seemed impossible for it to be natural. But the excitement didn’t last.

For decades, humanity has been looking for answers to unravel the mystery surrounding aliens’ existence, but they have failed ...