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.

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

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

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

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

Credit: NASA Titan’s resources could one day make Saturn’s largest moon a major outpost for deep space exploration. Titan is ...

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

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

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

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

A new study suggests spacecraft exhaust could quickly contaminate the moon's most scientifically valuable regions, ...

"A long-term lunar stay would challenge the nervous system in one of the most fundamental ways possible," the neuroscientist ...