A recent study showed the structure, featured in the movie “Close Encounters of the Third Kind,” is gently moving in strong winds, or when volcanoes and earthquakes vibrate the Earth.

Asteroids would’ve supplied the raw materials, heat, and geologic plumbing to circulate prebiotic matter while also creating ...

Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Plus: AI fakes of the Iran war are flooding X—and Grok is failing to flag them. This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the ...

Theoretically, it’s impossible for us to perceive a 4D creature. That is, unless it broke into our three-dimensional reality.

Hollywood hasn’t had a creative muse like Andy Weir in quite some time. Though not nearly as prolific, his combination of hard-science technical detailing imprinted onto hooky sci-fi ...

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.

Stellar plasma can smear alien radio signals before they escape their star system, making them harder for astronomers to detect.

Red dwarfs make up the vast majority of stars in the galaxy. Such ubiquity means they host the majority of rocky exoplanets ...

A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

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.