While constructing the international space station, astronauts capture a strange object on camera, which raises suspicions ...

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

The video game has been part of tech culture since it launched in 1993, with its signature view of a gun centered of the ...

On a clear summer day in 1947, businessman and civilian pilot Kenneth Arnold saw something strange in the sky.

The pilots dubbed the fireballs “foo fighters” but had no idea what they were. Plasma? Enemy tech? Aliens? We still haven’t ...