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 ...

By studying Earth's toughest microbes and complex animal "speech", scientists are reshaping how we search for – and may someday talk to – alien life.

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong ...

Astrophysicist Neil deGrasse Tyson critiques the humanoid depiction of aliens in Steven Spielberg’s _Disclosure Day_, praising its cast's authenticity.

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