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.

The idea of a meteor strike producing ‘alien signals’ sounds like something out of a sci-fi movie, but research led by academics from John Hopkins University in Maryland has cast doubt on assertions ...

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 ...