Europa may be one of the most promising places to search for alien life, but it is also one of the hardest moons to explore.

It’s a real space oddity. Former Pentagon UFO investigator Luis Elizondo claims the US government possesses unreleased ...

Luis Elizondo claims unreleased photographs show giant monoliths on the moon. These intriguing images are expected to be made ...

NASA believes one icy moon may offer humanity's best chance of discovering alien life. Hidden beneath a frozen shell lies a ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Scientists suggest the Moon could act as a quarantine checkpoint before samples from Mars are brought back to Earth.

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

The Pentagon has released its fourth batch of declassified UFO files, with 40 records from Nasa, the CIA, the FBI and the ...

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

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 ...

These beloved 1980s sitcoms sure brought the laughs episode after episode, but behind the scenes there was conflict, drama, ...

The Apple TV series wraps noir inside science fiction. With subtlety and charm, Farrell plays an earnest alien just doing his ...