New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an ...

Scientists now believe alien signals may have already reached Earth, and the reason we keep missing them has nothing to do ...

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.

We may have been missing signals from intelligent aliens because of solar wind. Researchers from the Search for Extraterrestrial Intelligence (SETI) Institute say this means we have been watching for ...