Scientists are looking for ways to detect alien warp drives lurking in space. While these hypothetical propulsion systems are most famous in science fiction stories like Star Trek, scientists believe ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...

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 ...

For decades, humanity has searched the cosmos for signs of alien life—but the real twist is that we may not wait to be found. Scientists have already begun considering how to send messages into deep ...

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong scales, with the wrong assumptions about life and intelligence.