Thoroughly investigated by a former Army officer and taken from his review of hundreds of historical and government documents and in-person interviews, this book chronicles more than 100 sightings, events, and discoveries of alien encounters, government conspiracy, and the influence of extraterrestrials on human events throughout history. From prehistoric UFO sightings, cave paintings, and ancient astronauts to modern sightings around the world, this book investigates claims of aliens living among us, abductions of humans to alien spacecraft, and accounts of interstellar cooperation since the UFO crash in Roswell, along with evidence of what the government knows and what it has covered up. This discussion of the government secrets, theories, and mysteries surrounding aliens is packed with thought-provoking stories and shocking revelations of alien involvement in the lives of Earthlings.