Add Yahoo as a preferred source to see more of our stories on Google. The great physicist Enrico Fermi first posed the challenging question over half a century ago, wondering why we appear to be alone ...

Marco Rubio makes the early running with a series of striking interventions ...

It was the late 1950s when Ruben Uriarte saw his first UFO — a silvery, oval-shaped object hovering by the Oakland foothills. “I thought maybe it was a blimp, because it was just hanging there. I ...

This new cache of material includes footage of a U.S. military plane’s infrared display recorded during an exercise over the ...

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

Searching for extraterrestrial intelligence has so far primarily meant focusing on one particular type of signal—and that ...

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 ...

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

After decades of secrecy, stigma, and sometimes silliness—like the conspiratorial tales about recovered spacecraft and alien ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Astronomers have completed one of the most powerful searches yet for ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...