UFO Stories

UFO Stories

Explore the wide and mysterious world of unexplained aerial phenomena.


Interactive Map: UFO Sightings Taken Seriously by the U.S. Government

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.

Cold War Sightings


Project Blue Book

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

Contemporary Sightings


The 5 Most Credible Modern UFO Sightings

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

More UFO History


History’s Most Infamous UFO Sightings

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


America’s First UFO Sighting

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


That Time Winston Churchill Wrote About Aliens

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

 Nevada: Area 51 research center. — Image by © Mark Peterson/CORBIS

History of UFOs

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

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)


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


Kenneth Arnold

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

16 Nov 2000, BONNYBRIDGE, SCOTLAND, Great Britain — UFO spotters looking out over the Forth Valley in central Scotland where unexplained sightings are said to be frequent in Bonnybridge, Stirlingshire. — Image by © MC PHERSON COLIN/CORBIS SYGMA

UFOs and Alien Invasions in Film

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