The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily ...

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 ...

Advanced aliens, if they exist, may have no physical bodies at all and could be built from materials nothing like human flesh ...