Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

Oxygen has been the most important gas in our search for life among the cosmos thus far. On Earth, we have it in abundance ...

Donald Trump has ordered the release of files related to aliens, UAP, and UFOs. If previous disclosures are any indication, get ready for a letdown.

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

Chalk up another victory for “Conan the Bacterium”—a rugged germ that fresh research suggests could conquer the solar system.

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 ...

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien ...

Ridley Scott's inimitable 1979 sci-fi thriller, Alien, expertly ratchets up the tension by not having the titular alien show up on screen until roughly an hour into the film. Following in Scott's ...

Abstract: Radar sensors and micro-Doppler signatures have been widely used to recognize human motions. Apart from the motion classification task, human motion detection has attracted much attention as ...

'Alien: Earth' creator has no plans for a 'Predator' crossover on the Hulu series. 20th Century Studios/Courtesy Everett Collection/Kurt Iswarienko/FX Although Predator recently ventured back into the ...

NASA just unveiled a set of findings that scientists say sharpen the case for how life’s ingredients form and spread through the cosmos. Together, researchers say, these discoveries make the ...