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

For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” who look suspiciously like us in rubber suits. The scientists who actually ...

Add Yahoo as a preferred source to see more of our stories on Google. Stunning underwater footage has captured an eerie, alien-like sea creature gracefully swimming beneath thick Arctic ice. The ...

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

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 ...