Finding life beyond our solar system goes beyond measuring an exoplanet's size, as rocky, Earth-sized worlds might not have ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

The Black Knight satellite conspiracy claims that an ancient alien probe has orbited Earth for 13,000 years, silently observing humanity. The theory traces its roots to early radio experiments by ...

Star Trek IV The Voyage Home Movie (1986) Trailer - Plot synopsis: To save Earth from an alien probe, Admiral James T. Kirk and his fugitive crew go back in time to San Francisco in 1986 to retrieve ...

The mysterious space rock that passed through our solar system grew significantly brighter as it left, according to scientists. Researchers say Comet 3I/ATLAS, suggested to be a hostile alien ...

58 years ago, 2001: A Space Odyssey hit screens. Read SFX legend Douglas Trumbull on the movie's original "crap script" and ...

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 ...

These December 2025 observations by NASA's SPHEREx show the infrared light emitted by the dust, water, organic molecules, and carbon dioxide contained within comet 3I/ATLAS's coma during the mission's ...

Former U.S. 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.