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

The findings of a new study may help "explain some of the radio silence we’ve seen in technosignature searches" for alien ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

The search for extraterrestrial intelligence may face an unexpected obstacle due to the influence of mother stars that ...

A comet from another star system does not arrive every year. That is part of what made 3I/ATLAS so compelling when it ...

Researchers searched interstellar comet 3I/ATLAS for artificial radio signals using the Allen Telescope Array and found none.

If 3I/ATLAS isn’t an alien probe, its discovery may be even more important. Scientists detected no radio signals from the ...

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 ...

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong ...

Even though astronomers didn’t detect alien tech signals from a rare interstellar visitor, the results are worthwhile, they ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an ...

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 ...