The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

When we think of extraterrestrial intelligence that might be out there among the stars, we tend to think of creatures not too ...

A simulated "alien" signal sent by a Nasa orbiter circling Mars has finally been cracked after months by a father-daughter duo, revealing the cosmic coded message. Nasa collaborated with SETI ...

When/if alien life ever cruises toward Earth in big spaceships, we’re probably not just going to see it; we’re going to hear it via narrow radio signals. If an extraterrestrial civilization wanted to ...

Add Yahoo as a preferred source to see more of our stories on Google. If Earth's astronomical observatories were to pick up a signal from outer space, it would require an all-hands-on-deck effort to ...

Alien hunters update guidance on sharing news of possible intelligent life. Scientists searching for intelligent life beyond Earth have updated their guidance on how the world should be told if a ...

For more than six decades, astronomers have listened for possible signals from extraterrestrial civilisations, with no confirmed detection to date. A new statistical study considers a narrower and ...

If advanced aliens lived on a planet within a few hundred to a thousand light years away from Earth, then vast numbers of their signals must already have crossed Earth without being noticed, a new ...

Want to bookmark your favourite articles and stories to read or reference later? Start your Independent Membership today. However, no confirmed technosignatures like artificial radio transmissions, ...

A group looking for alien communications among radio signals in space wants more help from home computers to crunch data. The Search for Extraterrestrial Intelligence at Home, known as SETI@home, ...