Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

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.

Step into a world where the past coalesces with the present—birds of today are living ties to the age of dinosaurs. With ...