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 ...

When astrobiologists are asked what aliens might look like, many now point not to distant galaxies but to some of the strangest corners of Earth, where researchers on several continents are using ...

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 ...