Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

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 ...

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 ...

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

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 ...

Where are all the aliens? No, I don’t mean microbes on Mars or creatures swimming beneath the ice crusts of Europa or Enceladus, but honest-to-God intelligent aliens, capable of space travel? The ...

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

The recent visit to our solar system by the interstellar object 3I/ATLAS has sparked speculation about whether it’s another frozen rock from a distant solar system or an alien craft. Though all ...

Assuming intelligent aliens know how to harvest energy from stars, would humanity be able to spot these high-level structures? Reading time 3 minutes Assuming aliens do physics like us but are ...