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 ...

A new study published in The Astrophysical Journal argues that “space weather” could be distorting incoming transmissions from extraterrestrials. The paper, penned by researchers at the SETI (Search ...

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.

Shaped by a different biology or culture, other intelligent civilisations – if they’re out there – might understand the ...

Disclosing government documents about UFOs won't mean much without hard physical evidence for alien spaceships or alien bodies.

Over hundreds of thousands of years, humans somehow evolved a type of intelligence found nowhere else in the animal kingdom, at least on Earth. According to the most famous theory describing the ...

For nearly five decades, Steven Spielberg has helped define what alien stories mean to movie audiences. Sometimes they arrive as cosmic miracles. Sometimes as existential threats. Sometimes as ...

We may not have found any definitive proof of extraterrestrial life just yet, despite plenty of hope among scientists. But if we were to ever come to an answer in the form of alien biology or ...

The strike closed public schools for more than 50,000 students in the city and had no end date. Health care costs are a key issue in negotiations. By Soumya Karlamangla Laurel Rosenhall and Shawn ...

What would really happen if aliens discovered Earth? Some scientists, including Stephen Hawking, warned that first contact might not be friendly — or survivable. Advanced civilizations could see ...