Explore the wide and mysterious world of unexplained aerial phenomena.
Mysterious lights. Sinister saucers. Alien abductions. Between 1947 to 1969, at the height of the Cold War, more than 12,000 UFO sightings were reported to Project Blue Book, a small, top-secret Air Force team. Their mission? To scientifically investigate the incidents and determine whether any posed a national security threat. Here are some of their most fascinating cases.
Why are so many UFOs being reported near nuclear facilities—and why isn’t there more urgency on the part of the government to assess their potential national-security threat? Those are questions being asked by a team of high-ranking former U.S. defense and intelligence officials, ...read more
It began as a routine naval training exercise. But it would soon become one of the best-documented—and most baffling—UFO sightings of the 21st century. Witnesses included highly trained military personnel—among them several deeply experienced radar operators and fighter ...read more
You know a UFO has earned its "unidentified" status when cockpit transcripts from elite Navy fighter jets include this frantic pilot exclamation: "Holy s___, what is that?" When Luis Elizondo ran a small team at the U.S. Department of Defense investigating military-based reports ...read more
Throughout his distinguished government career, Chris Mellon has been keenly focused on the prospect of unconventional national threats. Now he works with a civilian group called To the Stars Academy of Arts & Science, trying to prod the U.S. defense and intelligence communities ...read more
In 2017, several news organizations revealed the existence of the Advanced Aviation Threat Identification Program (AATIP), a U.S. government-funded investigation into unidentified flying objects from 2007 to 2012. This secret $22 million program, however, was not the first of its ...read more
Back in the 1950s, if you saw an unidentified flying object, you could fill out one of the U.S. Air Force’s handy UFO questionnaires for Project Blue Book. That government program dissolved in 1969, but the military has remained interested in UFO sightings ever since. In April ...read more
On the afternoon of June 24, 1947, amateur aviator Kenneth Arnold was flying near Mt. Rainier, Washington, when he suddenly spotted nine unusual objects on the horizon. Arnold claimed the craft flitted from side to side and flipped in unison like “the tail of a Chinese kite,” and ...read more
In June 1947, while flying his small plane, businessman and civilian pilot Kenneth Arnold reported seeing nine objects moving at high speeds through the skies over Washington’s Mount Rainier. Widely publicized reports of Arnold’s experience, followed by an increasing number of ...read more
It’s September 1947, and the U.S. Air Force has a problem. A rash of reports about mysterious objects in the skies has the public on edge and the military baffled. The Air Force needs to figure out what’s going on—and fast. It launches an investigation it calls Project Sign. By ...read more
The incident described here, drawn from declassified U.S. government files, provided inspiration for Episode 1 of HISTORY's series "Project Blue Book." In the words of Captain Edward J. Ruppelt, the man who investigated unidentified-flying-object reports for the U.S. Air Force ...read more
It's possible that the story of the Men in Black, the mysterious figures that would become the subject of fascination in UFO conspiracy circles and eventually break into mainstream popular culture, can be traced back to one day: June 27, 1947. It's quite possible that it all ...read more
The Flatwoods Monster has not hissed at boys in the little village of Flatwoods, West Virginia, since Sept. 12, 1952. People grin about it now—and take Monster souvenir money, from hundreds of Monster tourists every week. But it scared people plenty back then, including the ...read more
August 25, 1951 was a quiet summer night in Lubbock, Texas. That evening, a handful of scientists from Texas Technical College were hanging out in the backyard of geology professor Dr. W.I. Robinson, drinking tea and chatting about micrometeorites. It was quite the brain trust: ...read more
Whatever occurred at 2:45 a.m. on the morning of July 24, 1948 in the skies over southwest Alabama not only shocked and stymied the witnesses. It jolted the U.S. government into a top-secret investigation—the results of which were ultimately destroyed. The skies were mostly clear ...read more
It was nearly the end of World War II. But for the airmen of the 415th Night Fighter Squadron, it felt more like the beginning of War of the Worlds. Lt. Fred Ringwald was the first to see it. He was riding as observer in a night fighter piloted by Lt. Ed Schlueter, with Lt. ...read more
In February 1949, the Los Alamos, New Mexico Skyliner newspaper ran a piece on what it referred to, in typical newspaper parlance, as “flying saucers”—and a possible conspiracy around them: “Los Alamos now has flying green lights. These will ‘o wisps seen generally about 2 a.m., ...read more
On a humid, August night in 1952, scoutmaster D.S. “Sonny” DesVergers emerged burned and barely coherent from a dense palmetto grove in the South Florida Everglades. He claimed he had encountered an unidentified flying object that discharged a fireball, which left him singed and ...read more
In May 1951, one year into the Korean War, PFC Francis P. Wall and his regiment found themselves stationed near Chorwon, about 60 miles north of Seoul. As they were preparing to bombard a nearby village with artillery, all of a sudden, the soldiers saw a strange sight up in the ...read more
Is it chasing us? That thought coursed through Betty and Barney Hill’s minds as they drove down the empty winding country road in New Hampshire’s White Mountains. It was a September night in 1961, they hadn’t seen a car for miles, and a strange light in the sky seemed to follow ...read more
1952 was the year America caught flying-saucer fever. So when a rash of strange sightings was reported in the skies over Washington D.C. that summer, the press and the public demanded answers. Were these unexplained radar blips, crafts that in some cases outran jets, part of a ...read more
If 1952 marked the year that UFO fever spread across Cold War America, events in late July of that year spiked that mania to critical levels. That's when the grandfather of all "saucer" sightings took place in the skies above the nation's capital, causing a coast-to-coast ...read more
Say you’re out walking in the desert and see a flash of light in the sky that you can’t identify. If this happened between 1952 and 1969, you could report that light to Project Blue Book, the U.S. Air Force’s project to investigate unidentified flying objects—aka, UFOs. Project ...read more
UFOs aren’t new. Indeed, humans have been describing unidentified flying objects for millennia, with depictions of disk-like objects and unusual atmospheric objects found in the art and literature of ancient civilizations from the Sumerians and the Egyptians to the Greeks and ...read more
On March 1, 1639, John Winthrop opened his diary in which he recorded the trials and triumphs of his fellow Puritans as they made a new life in America. As the governor of the Massachusetts Bay Colony put pen to paper, he began to recount a most unusual event that had recently ...read more
It was October 1939, weeks after Britain declared war on Germany. Recently restored to his old post as first lord of the British Admiralty, Winston Churchill sent off his latest popular science article to his publisher. It may have been intended for London’s News of the World ...read more
In popular culture, the term UFO–or unidentified flying object–refers to a suspected alien spacecraft, although its definition encompasses any unexplained aerial phenomena. UFO sightings have been reported throughout recorded history and in various parts of the world, raising ...read more
In the summer of 1947, a rancher discovered unidentifiable debris in his sheep pasture outside Roswell, New Mexico. Although officials from the local Air Force base asserted that it was a crashed weather balloon, many people believed it was the remains of an extraterrestrial ...read more
Though various sightings of unidentified flying objects (UFOs) were reported over hundreds of years before the mid-1940s, World War II marked the beginning of a new phase of interest. Kenneth Arnold’s historic 1947 sighting–combined with a highly publicized UFO incident that ...read more
On June 24, 1947, the civilian pilot Kenneth Arnold reported seeing nine objects, glowing bright blue-white, flying in a “V” formation over Washington State’s Mount Rainier. He estimated their flight speed at 1,700 mph and compared their motion to “a saucer if you skip it across ...read more
