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

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

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

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. If Earth’s ...

Use left and right arrow keys to seek audio. In May 2023, an "alien signal" was beamed at Earth from Mars, and it contained a coded message that has now been finally deciphered. The "alien signal" was ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. In a development that bridges science, art and citizen science, a ...

In May 2023, an alien-like signal was beamed from Mars. Three observatories in the US and Italy picked up the mysterious transmission. Citizen scientists around the world joined forces to decode the ...

On August 15, 1977, the Big Ear Radio Telescope in Delaware, Ohio, received the most powerful signal it would ever detect during its decades of observations. The signal lasted just 72 seconds, but ...