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.

The US has recovered four distinct species of extraterrestrial life from crashed UFOs, a former CIA-funded government researcher sensationally claimed this week. Dr. Hal Puthoff, former Advanced Aerospace Weapon System Applications Program advisor and CIA-funded researcher,

A leading British astrophysicist has argued that intelligent alien civilisations 'absolutely' exist somewhere in the cosmos but insists there is no evidence they have ever visited Earth, dismissing government UFO cover-up claims as 'total nonsense' in a new book exploring whether aliens are true or fake.

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 the military.

Is it all just smoke and mirrors? The Department of War released over 160 previously classified files on Friday in an effort for greater transparency surrounding UFOs, aliens and extraterrestrial life — but some experts believe the government is still hiding key information from us.