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

A nonresident alien is a noncitizen who has not passed or is exempt from the green card or substantial presence tests.

The Netflix sci-fi survival movie pits soldiers against an unstoppable robot ...

Ridley Scott's sci-fi series Alien: Earth confirms a key Season 2 detail with a single production update.

Green Bank Telescope rules out alien signals in interstellar comet 3I/ATLAS after rigorous scientific deep search.

Muscular action heroes à la Schwarzenegger are a thing of the past. Instead, the Predator works its way through a sequence of ...

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs ...

Humans could have come from Mars, scientists have said. A study by Johns Hopkins University has found that alien microbes ...

After setting social media abuzz by saying aliens were real, former President Barack Obama said he didn't see evidence that aliens "have made contact with us." ...

People called the burger boss's taste-test video "dystopian" and wondered if he was an “alien” encountering fast food for the first time.

Former President Barack Obama said he did not see evidence that aliens "have made contact with us," after sending social media abuzz by saying aliens were real on a podcast over the weekend. During a ...

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