The White House advisor has earned attention-and intense scientific criticism-for his theories about alien technology.

The Astros welcomed an “ASTROS-physicist” to the mound. Harvard astronomer Avi Loeb threw out the first pitch Monday before ...

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

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 ...

Now that FX's Alien: Earth has officially been renewed for Season 2, it can explore more of the sci-fi franchise's best ...

Sometimes, "unidentified" means just what it sounds like.

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

Filmmaker Sean Stone says truly operational alien-style anti-gravity propulsion would erase trillions from the global oil ...

A new documentary alleges the US secretly spent over $1 trillion on programmes involving non-human craft, hidden from ...

The fictional White Star sleigh combines hypersonic speed, pulse-detonation engines, nuclear power, stealth, orbital flight, ...

A self-proclaimed time traveller claims aliens will make contact in 2028, sparking online debate. His assertions, made during ...