They’re hole-ar powered. If super-advanced alien civilizations exist, they would surely require insane amounts of energy to ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...

Is artificial intelligence flight ready?

One of the challenges of searching for technosignatures (i.e., signs that intelligent life somewhere in the universe has ...

Before any major telescope commissioning, there are dozens of papers that attempt to define what we can expect from it. We're ...

(cokada/iStock/Getty Images Plus) Last June, while most of us were sweating it out and scrolling socials, more than two dozen ...

Alien civilizations could eavesdrop on our communications with our spacecraft and rovers, according to a new study – and we might be able to find them the same way. To tell a Mars rover to turn left ...

Most radio SETI (Search for Extraterrestrial Intelligence) projects concentrate on frequencies from 1.42 to 1.66 GHz.

Are aliens real? Was Fox Mulder right all along? We examine the prediction markets to gauge if the U.S. government will confirm that aliens exist before January 2029. The prediction market on a U.S.