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

Maybe we did not create life in the biological sense, but maybe we created something stranger: an alien form of ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

NASA's most eye-catching hints of alien life on Mars and a distant exoplanet left headlines breathless in 2025, but a major ...