If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, ...

Planets that once lived only in pulp novels and movie concept art are now turning up in real data. Astronomers are not just finding distant worlds, they are cataloguing places with molten surfaces, ...

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination ...

One of the largest searches for alien intelligence in history is nearing completion, thanks to the help of more than 2 million citizen scientists and the legendary Arecibo Observatory. Launched in ...

Scientists have updated global guidelines for announcing possible evidence of intelligent alien life, aiming to prevent ...

The Alien franchise has been a cornerstone of the sci-fi genre since Ridley Scott unleashed the xenomorph on the world in 1979. Now, as the decades have passed, the franchise has had highs and lows ...

'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 ...