Now a former CIA scientist has claimed that the US government secretly knows about at least four different types of alien ...

UFOs, once an American oddity, have expanded into an international phenomenon—there’s no shortage of alleged sightings, ...

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.