Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

A striking optical illusion resembling a floating city or alien spacecraft was captured on camera above the countryside in ...

The China National Space Administration's 'Reusable Experimental Spacecraft' has been spotted releasing an unidentified object into orbit above Earth.

Watch a playful, imaginative adventure as adorable kittens attempt a fun escape from an alien-themed cosmic scenario.

A covert Chinese space plane has quietly released a new UFO-like object into orbit, according to US tracking data, fuelling ...

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

For every "Alien" or "Event Horizon," there are dozens of lesser-known space horror movies that deserve much more love and ...

During the 1960s, the United States prepared to fend off nuclear missile attacks from the Soviet Union—unaware that the ...

Emily Blunt and Josh O'Connor race around the Midwest trying to expose UFOs in a hectic adventure that lacks intelligent life.

Space jellyfish to people in Florida is like the Northern Lights to the general population: One of nature's light shows that ...

The search for extraterrestrial intelligence may face an unexpected obstacle due to the influence of mother stars that ...