Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Military history is much more than battlefield trivia. Stacker took a look at 25 recent "Jeopardy!" questions about the ...

A rare interstellar visitor stunned observers with an extraordinarily bright emerald glow over Egypt, offering scientists new clues about the mysterious composition of comet 3I/ATLAS and reigniting ...

Imagine receiving an alert on your phone from a government agency at night, warning you about an alien attack, when you have barely made it onto your bed. That is what happened to thousands of ...

👋 Welcome to 5 Things PM! Now that Elon Musk is officially the world’s first trillionaire, you might be wondering how much of his wealth comes from government help. Virtually all of it. States along ...

(CNN) — Whether he meant to or not, Steven Spielberg has been trying to convince the world of alien existence for over 40 years. He’s donated money to research programs. He’s discussed the issue with ...

Warning: There are spoilers ahead for Disclosure Day.Disclosure Day writer David Koepp discloses the story behind the movie's alien design. When the film's aliens aren't disguised as animals and ...