For generations, humans have imagined what it would be like to discover life beyond Earth. Would alien beings look anything like us? Would they communicate through sounds, signals, or something ...

Add Yahoo as a preferred source to see more of our stories on Google. Turbulent star environments may broaden alien radio signals, making them harder for SETI to detect. (CREDIT: Shutterstock) Radio ...

The first unmistakable signal from another intelligence may not be a cheerful greeting. A growing group of researchers is arguing that our inaugural contact is more likely to be a distress call, the ...

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 ...