Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Night Sky This Week. Discover this week's must-see night sky events, moon phases, and stunning astrophotos. Sign up for our ...

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

A Chinese spacecraft has returned the first close-up image of one of Earth’s strangest companions: a tiny, lopsided asteroid that seems to dance beside our planet without truly orbiting it. The probe, ...

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 ...

The Xenomorph from the Alien film franchise is one of the coolest, most nefarious movie monsters ever hatched, with its acid blood, mouths-within-mouths, and diabolical claws. It pretty much ...

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

Some scientists believe the quasi-moon could have been created when a massive impact knocked a chunk of our own moon into ...

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.

Sugar* Season 2 finds its footing by embracing its biggest twist from the start. Colin Farrell delivers another quietly ...