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 ...

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 ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

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 ...

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 ...

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent misinformation, panic and confusion in the age of social media and AI.