Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent ...

In 1977, a US-backed search for alien signals detected a 72-second radio burst from deep space that was about 30 times ...

Scientists have rewritten global 'first contact' protocols for how to confirm and announce the discovery of alien ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist ...

More than 1,000 scientists have quietly updated the world's post‑detection protocols for alien contact, doubling down on the ...

If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

If it were a phone call, we might call it a butt dial: A strong radio signal that set off questions about whether it emanated from an advanced alien race earlier this week is now believed to have come ...

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 ...