Add Yahoo as a preferred source to see more of our stories on Google. One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million ...

Searching for alien languages sheds light on how much human languages have in common—with each other and even with animal ...

Advanced alien civilizations may communicate via a series of flashing lights, similar to how fireflies do, a new paper hints. This would potentially make extraterrestrials much harder to spot if we ...

One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million citizen scientists and the legendary Arecibo Observatory. Launched in ...

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...

Bill Maher says credible military and government UAP sightings have shifted his views on alien life, quipping that skeptics ...

Discover the mysterious ‘Wow!’ signal, a 1977 transmission that sparked decades of speculation about extraterrestrial life.

In March 2026, SETI Institute researchers contributed to a wide range of conversations about our solar system and the search ...