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

NASA believes one icy moon may offer humanity's best chance of discovering alien life. Hidden beneath a frozen shell lies a vast global ocean that could contain the ingredients necessary for life to ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

A biologist specializing in invasive species has partnered with a former Pentagon strategist in pushing NASA to construct a “lunar biocontainment facility.” Reading time 3 minutes International ...

Yet no human has been back to the lunar surface since the last Apollo astronaut left it in 1972, and plans to put people on ...

A horrifying accident took place Wednesday as a young woman was run over by a pickup truck driven by a lifeguard at Half Moon Bay Beach. The incident happened around 3:45 p.m. at Francis Beach — the ...

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

HALF MOON BAY, Calif. -- Authorities say a lifeguard may have been distracted when their truck ran over a 20-year-old woman at a Northern California beach Wednesday afternoon. According to State Parks ...