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 ...

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.

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 ...

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 ...

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

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 ...

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 ...

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 ...