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

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

NATIONWIDE — Crew-12 members and NASA astronaut Chris Williams were evacuated to a SpaceX Dragon capsule on Friday as Russia’s space agency was fixing an air leak on the International Space Station, ...

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

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

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...

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

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

Ukraine’s President Volodymyr Zelenskyy says Russia is moving air defenses to protect key targets like Moscow as Ukrainian ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

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

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