Alien - A creature from outer space.
UFO - Unidentified Flying Object, a mysterious object seen in the sky in which no explanation can be made what it is.
Abduction - A human or an animal that has been captured by an alien.
Sighting - A report that an alien object has been spotted by an individual.
Extraterrestrial - Beyond the limits of Earth.
UFO - Unidentified Flying Object, a mysterious object seen in the sky in which no explanation can be made what it is.
Abduction - A human or an animal that has been captured by an alien.
Sighting - A report that an alien object has been spotted by an individual.
Extraterrestrial - Beyond the limits of Earth.