Popular culture imagines aliens as creatures made of flesh and bone — but some researchers argue that advanced civilizations would likely evolve beyond biology. Given millions of years of ...

What is behind the surge in ufology? The recent spike can be traced to the top of the US government, which inspired me to start investigating ...

The most likely first sign of alien intelligence may not be a greeting — but a collapse. According to the “escaton hypothesis ...

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 ...

That is where Anonymous Chicken keeps tripping up. A species that uses touch or echolocation as its primary sense and has manipulative appendages could potentially develop a technological civilization ...

Humans have always been fascinated with space. We frequently question whether we are alone in the universe. If not, what does intelligent life look like? And how would aliens communicate? How could ...