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 ...

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 ...

For decades, the search for extraterrestrial intelligence has been guided by one hopeful assumption: somewhere in the galaxy, another civilization may be trying to reach us. Radio telescopes have ...

Scientists around the world have spent decades pointing radio telescopes at the sky, hoping to catch that one signal proving we’re not alone in the universe. But now researchers at SETI are asking: ...

Just over 40 years ago, in his novel Contact, astronomer Carl Sagan imagined what it would be like to detect radio signals beamed from other intelligent lifeforms in the galaxy. In the story, these ...