To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life ...

This 1980s Disney sci-fi adventure film is pretty inventive, and it remains a nostalgic favorite roughly four decades later.

What NASA found on Titan shocked scientists and changed how researchers viewed moons in deep space. Beneath layers of dense haze, Titan revealed rivers, lakes, and strange surface features unlike ...

A retro-futuristic space truck and a nimble crustacean on wheels just won a multibillion-dollar prize to deploy on a future ...

The U.S. Department of War's first data dump of UFO documents might not convince many people, but it does make for an ...

More than 170 accounts and videos reveal never-before-known UFO sightings.

The U.S. government has begun releasing files on Unidentified Anomalous Phenomena (UAP) following a presidential directive. Florida ranks second in the nation for UFO sightings, with numerous ...

The US Government has released a new trove of documents on various cases of "Unidentified Anomalous Phenomena" (UAPs) – many ...

A NASA planet-hunting mission has unveiled its most detailed map of the sky yet, revealing thousands of potential alien ...