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

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 ...

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong scales, with the wrong assumptions about life and intelligence.

Researchers searched interstellar comet 3I/ATLAS for artificial radio signals using the Allen Telescope Array and found none. The comet’s unusual chemistry and hyperbolic trajectory confirm it ...

A new SETI study suggests we may be overlooking alien signals not because they aren't there, but because their own stars are scrambling them before they escape into space. Turbulent plasma and ...

The typical focus of SETI and other searches for artificial, interstellar signals has been in the radio/microwave regime 1. Historically this has made excellent sense given the rise in radio astronomy ...

Loading external pages may require significantly more data usage than loading CBC Lite story pages. The only place we know for certain that life exists is here on Earth. But when we look out at the ...