As the peerless "Aliens" turns 40, here are 26 reasons it's still the greatest sci-fi action movie of all time.

This remote desert offers peace, quiet, and otherworldly beauty. Nature’s layer cake rises from the desert floor in brilliant ...

On January 2, 2019 at 9:26pm EST, China's Chang’E-4 probe did what no human or machine has ever done before, and landed on ...

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.

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 ...

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

NASA’s Viking 1 lander set down in the Chryse Planitia region of Mars. Its identical twin, Viking 2, followed on Sept. 3 of ...

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

Canadian astronaut Jeremy Hansen is leaving the Canadian Space Agency following his historic Artemis II lunar mission, the ...