The search for intelligent alien life takes humanity beyond basic microbes into a vast cosmic hunt for advanced civilizations ...

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 ...

Astrobiologist Lisa Kaltenegger spends her days building miniature worlds. Kaltenegger and her colleagues study how different species and combinations of bacteria, plants, and fungi change the ...

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 ...

The SETI Institute recently began searching for signs of advanced extraterrestrial civilizations in distant galaxies outside our own. The research comes at a time when the notion that strange crafts ...

What if aliens were living among humans somewhere in the city? And what if those aliens experienced accidents or losses, ...