For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

For decades, the search for extraterrestrial intelligence has been defined more by silence than discovery, but that balance may be starting to shift. As new telescopes, algorithms, and theoretical ...

"Ancient Aliens" is the show that just won't quit but then, with 75 million years to investigate for signs of alien visitation to Earth, why would it. Presented (and exec produced) by the ...