What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

Add Yahoo as a preferred source to see more of our stories on Google. Tardigrades—a type of invertebrate also known as water bears—are the only animals observed to survive the intense radiation and ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong scales, with the wrong assumptions about life and intelligence.

Consciousness may arise in systems far different than the biology on Earth we are used to, according to new research.

Philosophers Eric Schwitzgebel and Jeremy Pober argue that consciousness is likely 'substrate flexible', challenging the ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.

For generations, science fiction has imagined what life might look like on other worlds. These aliens are fictional, sure, but some of them are informed by real evolutionary processes on Earth. That's ...