Now a former CIA scientist has claimed that the US government secretly knows about at least four different types of alien life linked to crashed UFOs. Dr. Hal Puthoff, who worked on intelligence ...

Former CIA-funded researcher Hal Puthoff says trusted insiders told him four alien species are linked to recovered UFO craft, including 'Reptilians and Insectoids,' but offers no direct evidence.

A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, providing knowledge and advanced weaponry, or engaged in secret wars with ...