A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

Earth' Season 2 Behind the Scenes - Ollie Upton/FX As we gear up for the continuation of the Earth-based adventure, we're ...

With over decades of films and convincing radio plays, aliens have captivated our imaginations and our worst fears. They’ve ...

The film, which includes Taylor Russell, Alicia Vikander, and Michael Fassbender among its cast, opens in September.

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

In a recent two-week voyage through the southern Atlantic, scientists uncovered an astonishing array of 31 previously unknown ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.