When Cohen asked what question he was most curious about when he first took office, Obama quipped: “Where are the aliens?” Again, clearly in a playful tone.

As for Area 51, its documented history is far less mysterious than popular culture suggests. The facility has long been known as a U.S. Air Force testing site. During the Cold War, it played a major role in developing and testing advanced aircraft, including the U-2 spy plane, which was used for surveillance missions over the Soviet Union, China, and Cuba.