Somewhere in the Universe, an alien culture may have developed the technology to build giant megastructures around stars, ...

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

Black holes can release enormous energy through hot disks, surrounding plasma and powerful jets, enough to support a ...

Tokyo's legendary fish markets are packed with some of the freshest and strangest seafood on Earth. This adventure takes us deep into the bustling stalls in search of one of Japan's most unusual ...

Last June, while most of us were sweating it out and scrolling socials, more than two dozen of the best scientific minds in ...

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

The famous “moving” metal sphere still gets shared like a sci-fi clue. But its lasting power comes from the gap between eyewitness wonder, technical testing and missing public records. A metal ball in ...

Trump‑era science advisers are working through the president's UFO files, explaining many glowing orb sightings as manmade ...

Compared to places with eerie reputations like Roswell and Area 51, the Bay Area isn’t exactly a hotbed of UFO activity. The ...

Paradox Pokémon are among the most interesting additions to the franchise in recent years, but which of these past and future ...

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 ...

Between biosignatures and technosignatures lie noosignatures, and some scientists think they could help us find alien life ...