NASA just announced its newest discovery, and conspiracy theorists had wished it was aliens.
Alien hunters allegedly spotted a fleet of UFOs flying past the ISS before NASA cut the live feed.
NASA scientists found ancient microscopic alien life forms inside volcanic caves in Mexico.
An alien-looking baby was born in India.
A new technique tailored by NASA can help in searching for extraterrestrial life on Jupiter's moon Europa.
Alien abduction victim John Mooner presents evidence of abduction and stalking.
Why are people so convinced that aliens exist?
Are aliens keeping track of what is happening on Earth?
Another UFO was spotted in the ISS feed.
UFO hunters discovered an "alien ship" that is like a disc poking out of a cave in the South Pole, Antarctica.
Could this "floating city" be an invitation to an alien dimension?