Edward Snowden said he couldn't find any evidence that the government was hiding aliens when he searched through CIA databases

  • Edward Snowden, the NSA whistleblower who blew the lid on the US government's classified mass surveillance programs, shut down a conspiracy theory that the US is secretly housing alien lifeforms. 
  • Speaking on an episode of "The Joe Rogan Experience" podcast, which aired on Wednesday, Snowden said he did not find any evidence of extraterrestrials when he snooped through the databases of the CIA and NSA. 
  • "Everybody wants to believe in conspiracy theories because it helps life make sense," he told Rogan. "It helps us believe that somebody is in control, that somebody is calling the shots." 
  • Visit Business Insider's homepage for more stories. 

Edward Snowden shut down the conspiracy theory that the US government is secretly harboring aliens at its top secret facilities during an episode of "The Joe Rogan Experience" podcast, which aired on Wednesday. 

Snowden, an American whistleblower who revealed details of classified US government surveillance programs in 2013, addressed rumors about secret extraterrestrial lifeforms in his recently released memoir "Permanent Record."

"I know, Joe, I know you want there to be aliens," he said. "I know Neil deGrasse Tyson badly wants there to be aliens. And there probably are, right?" 

"I do," Rogan responded. 

Speaking to Rogan from Russia, where he has been granted asylum, Snowden said as far as he knew the US government has not made contact with aliens and is not housing them at their facilities, like that of Area 51 in Nevada. 

"But the idea that we're hiding them — if we are hiding them — I had ridiculous access to the networks of the NSA, the CIA, the military, all these groups. I couldn't find anything," he asserted. 

He said, he found no evidence of extraterrestrial life during his time spent snooping through government databases when he worked as a contractor for the National Security Agency (NSA) and the Central Intelligence Agency (CIA). 

Read more: How Area 51 became the center of alien conspiracy theories

He admitted that it was entirely possible that knowledge of alien contact were "hidden really damn well" from people with direct access to classified information. 

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Roswell, New Mexico's history with aliens
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Roswell, New Mexico's history with aliens
Jesse Marcel, head intelligence officer, who initially investigated and recovered some of the debris from the Roswell UFO site 1947. In mid-1947, a United States Air Force balloon crashed at a ranch near Roswell, New Mexico. Following wide initial interest in the crashed 'flying disc', the US military stated that it was merely a conventional weather balloon. (Photo by: Universal History Archive/ UIG via Getty Images)
A sign off route U.S. 285, north of Roswell, New Mexico, points west to the alleged 1947 crash site of a flying saucer on the Corn Ranch. Visitors can tour the site for $15 and camp out at the site for $90 during the upcoming festival in July marking the 50th anniversary of the so called "Roswell Incident." The Air Force denies claims of an alien UFO crash, saying in a new report issued June 24 that comprehensive examination of the incident found no evidence of flying saucers, space aliens or sinister government cover-ups. Photo taken June 20 1997. **POOR QUALITY DOCUMENT**
The U.S. Air Force released this 1972 photo of a Viking space probe awaiting recovery at White Sands Missile Range in New Mexico as part of its report on the so called "Roswell Incident" of 1947. The Air Force reported June 24 that "space aliens" who supposedly crashed in the New Mexico desert 50 years ago were only military dummies and that high-altidude research projects such as this may have become part of the incident. The 231-page report is aimed at ending longstanding speculation over the incident and denies that the military had recovered bodies from damaged flying saucers in 1947 and had been covering up the incident ever since. MILITARY ALIENS
A visitor looks at a model depicting the 1947 Alien Autopsy in Roswell, New Mexico during the 'The Science of Aliens' exhibition at the Miraikan, the National Museum of Emerging Science and Innovation in Tokyo on June 3, 2008. The three-month-long exhibition which will end on June 16 attracted more than 100,000 visitors. AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)
Museum organizers Dennis Balthaser (L) and Max Littel stand outside Roswell's International UFO Museum on Main Street as construction goes ahead to get the building ready for the town's UFO festival in July marking the 50th anniversary of the so called "Roswell Incident." At left is a representation of a flying saucer embedded in the building. The Air Force denies claims of an alien UFO crash, saying in a new report issued June 24 that comprehensive examination of the incident found no evidence of flying saucers, space aliens or sinister government cover-ups. Photo taken June 20 1997. MILITARY ALIENS
The U.S. Air Force released June 24 this photo of examples of Alderson Laboratories anthropomorphic dummies of the type dropped from balloons over New Mexico throughout the 1950's. The Air Force reported June 24 that "space aliens" who supposedly crashed in the New Mexico desert 50 years ago were only military dummies. The 231-page report is aimed at ending longstanding speculation over the so-called Roswell Incident and denies that the military had recovered bodies from damaged flying saucers in 1947 and had been covering up the incident ever since. MILITARY ALIENS
The U.S. Air Force released this photo June 24 of an aeroshell of a NASA Voyager Mars space probe prior to launch at Walker AFB, New Mexico (formerly Roswell AAF) as part of its report on the so called "Roswell Incident" of 1947. The Air Force reported June 24 that "space aliens" who supposedly crashed in the New Mexico desert 50 years ago were only military dummies and that descriptions of research projects involving low altitude tethered objects such as this may have become part of the incident. The 231-page report is aimed at ending longstanding speculation over the incident and denies that the military had recovered bodies from damaged flying saucers in 1947 and had been covering up the incident ever since. MILITARY ALIENS
A mannequin dressed as an alien bride attracts the attention of a tourist in Roswell, July 1. Roswell, the site of an alleged UFO crash 50 years ago in 1947, is hosting an international UFO convention through July 6. ake/DIGITAL/Photo by J. UFO
Tourists wearing the appropriate masks view the alien model from the movie "Roswell" in the UFO Museum in Roswell on July 2. Roswell, the site of an alleged UFO crash 50 years ago in 1947, is hosting an international UFO convention through July 6. ??�
Wearing a hat shaped like a alien space craft, Jim Muyres, of Madison Lake, Minn., video tapes the arcade outside of the international UFO convention in Roswell, July 3. Roswell, the site of an alleged UFO crash in 1947, is hosting the convention to mark the 50th anniversity of the incident. ake/DIGITAL/Photo by J. UFO
Juana Bravo, of Roswell, describes the autopsy of an alien during a re-enactment July 4 of the of the alleged crash of an UFO near Roswell in 1947. Roswell is holding an international UFO convention to mark the 50th anniversity of the "incident." ake/DIGITAL/Photo by J. UFO
Jesse Marcel, head intelligence officer, who initially investigated and recovered some of the debris from the Roswell UFO site 1947. In mid-1947, a United States Air Force balloon crashed at a ranch near Roswell, New Mexico. Following wide initial interest in the crashed 'flying disc', the US military stated that it was merely a conventional weather balloon. Corsicana Daily Sun, July 9th 1947. (Photo by: Universal History Archive/ UIG via Getty Images)
ROSWELL, : A visitor wearing a home-made hat takes pictures of a scene displayed in what is being called the 'International UFO Museum and Research Center' in downtown Roswell, NM, 03 July. The museum displays UFO phenomenon exhibits, a gift shop and a bar called 'The Alien Caffeine Espresso Bar.' Roswell is celebrating the 50th anniversary of what is an alleged UFO crash in July 1947. AFP PHOTO/HECTOR MATA (Photo credit should read HECTOR MATA/AFP/Getty Images)
This is a road sign indicating where Alien Parking is, This is the original UFO crash site in Roswell, There are small UFOs on the sign with a large arrow pointing to the right. (Photo by Visions of America/UIG via Getty Images)
ROSWELL, NM - 1997: Massive rock that supposedly was split in two by a spaceship impact in Roswell, New Mexico. (Photo by John B. Carnett/Bonnier Corporation via Getty Images)
372049 05: Groups dressed as aliens ride through downtown Roswell, New Mexico July 1, 2000 as they participate in the annual UFO Encounter, which runs through July 4, 2000. The annual festival stems from a mysterious crash northwest of Roswell in 1947. The Army initially said it was a UFO crash, but quickly backed off that report. The Pentagon has since said it was a top-secret balloon crash, but UFO enthusiasts don''t believe that story, which gives rise to what has become known as the 'Roswell Incident'. (Photo by Joe Raedle/Newsmakers)
372049 04: Onlookers check out the aliens as they ride through downtown Roswell, New Mexico July 1, 2000 as part of Roswell's 53rd annual UFO Encounter which runs through July 4, 2000. The annual festival stems from a mysterious crash northwest of Roswell in 1947. The Army initially said it was a UFO crash, but quickly backed off that report. The Pentagon has since said it was a top-secret balloon crash, but UFO enthusiasts don''t believe that story, which gives rise to what has become known as the 'Roswell Incident'. (Photo by Joe Raedle/Newsmakers)
Brig. General Roger M. Ramey, Commanding General of 8th Airforce, and Col. Thomas J. Dubose, 8th Airforce Chief of Staff, identify metallic fragments found by a farmer near Roswell, New Mexico, as pieces of a weather balloon. This is the basis of the Roswell Incident, the supposed crash of an alien spacecraft.
A sign off route U.S. 285, north of Roswell, New Mexico, points west to the alleged 1947 crash site of a flying saucer on the Corn Ranch. Visitors can tour the site for $15 and camp out at the site for $90 during the upcoming festival in July marking the 50th anniversary of the so called "Roswell Incident." The Air Force denies claims of an alien UFO crash, saying in a new report issued June 24 that comprehensive examination of the incident found no evidence of flying saucers, space aliens or sinister government cover-ups. Photo taken June 20 1997. MILITARY ALIENS
A visitor looks at a model depicting the 1947 Alien Autopsy in Roswell, New Mexico during the 'The Science of Aliens' exhibition at the Miraikan, the National Museum of Emerging Science and Innovation in Tokyo on June 3, 2008. The three-month-long exhibition which will end on June 16 attracted more than 100,000 visitors. AFP PHOTO / TOSHIFUMI KITAMURA (Photo credit should read TOSHIFUMI KITAMURA/AFP/Getty Images)
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"Everybody wants to believe in conspiracy theories because it helps life make sense," he told Rogan. "It helps us believe that somebody is in control, that somebody is calling the shots." 

In his book, which came out last month, Snowden shut down other popular conspiracy theories, like the idea that the US faked the moon landing, or that climate science is a hoax. 

"For the record, as far as I could tell, aliens have never contacted Earth, or at least they haven't contacted US intelligence," he wrote.

"Yes, man really did land on the moon. Climate change is real. Chemtrails are not a thing," he added. 

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