The search for alien life has captured the popular imagination for decades. Are they friendly… intelligent… green? The average person may conceive of alien life as anything from the large-brained ...

MORE: I'm a pastor who attended a secret UFO disclosure meeting. We saw images of 'translucent beings' that chilled me to the bone A former CIA scientist has claimed that there are several alien ...

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