Most of our experience with the Search for Extraterrestrial Intelligence (SETI) has focused on capturing radio signals that ...

The Kardashev Scale offers a fascinating way to imagine how advanced alien civilizations could become and what their ...

(Esben_H/iStock/Getty Images Plus) The Fermi paradox asks: If there are other civilizations in the Universe besides ours, why ...

The Dark Forest theory offers a chilling explanation for the Fermi Paradox: alien civilizations may exist everywhere, but survival forces them to remain hidden. In this view, every world in the ...

A team of researchers argues that the Moon could have been collecting microscopic fragments of alien technology for billions ...

October is shaping up to be a surprisingly intriguing month for sci-fi books, with familiar worlds being reinvented, acclaimed authors launching something completely new and time travel getting more ...

Captain Kirk's speech in 'Return to Tomorrow' says more about what Star Trek stands for than any other line in the original series.

Naperville Public Library invites readers to check out the “Thick as Thieves” recommendations as part of its Amazing Book ...

James Cameron's beloved sci-fi sequel, Aliens, has touched down on a new streamer, bringing face-huggers and chest-bursters ...

Following the flow from Chapters 1 through 5, Chapter 6 expands the 'encounter' with AI as an alien intelligence from individual dialogue and co-creation to the design of civilization. In particular, ...

About 4.5 billion years ago, it is believed that a protoplanet the size of Mars, named "Theia," collided with the newborn, primitive Earth. In astronomy, this event, known as the "Giant Impact," has ...

Mysterious formations spotted on Mars are ramping up claims of an ancient city on the Red Planet, RadarOnline.com can reveal The images were captured by NASA's Mars orbiter and show unusual hills and ...