According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

Add Yahoo as a preferred source to see more of our stories on Google. A new planetary habitability model could make the search for aliens more efficient by quickly identifying rocky worlds unlikely to ...

Add Yahoo as a preferred source to see more of our stories on Google. Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed ...

Researchers found radio telescopes have unknowingly surveyed millions of additional stars, revealing the search for alien civilisations has been broader than scientists realised.

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

Scientists are pouring their resources into searching for signs of life on other planets—but how might extraterrestrial life find us? An experiment spearheaded by the SETI Institute studies how alien ...