The production crew didn't know they'd even filmed anything unusual until the footage had been reviewed.
Dick Smits had been videotaping a boat on a canal when he spotted the strange object above him.
Several people witnessed an unidentified object in the skies over Portreath on the night of April 27th.
A London resident managed to take several photographs of a strange dark-colored object over the capital.
A television camera filming a football match captured the moment a strange white object flew overhead.
A commercial pilot with more than 30 years of experience believes he witnessed something unusual.
Several witnesses observed the phenomenon in the sky over a rural part of England.
16-year-old Georgina Heap observed the peculiar phenomenon for three minutes before it disappeared.
The mysterious pair of lights that appeared in the footage seemed to be floating off the ground.
A dark triangular object caught on camera over Texas is thought to be a classified military plane.
A mother and daughter near Nanton witnessed two mysterious objects flying over their ranch last week.
A couple from Cameron Park reported seeing a 'blue and red' object shooting across the sky.
A Winnipeg based UFO research group has collated statistics for sightings over Canada in 2013.
The states of Vermont, Arizona and Maine were home to the most sightings per capita last year.
Space veteran Leroy Chiao has recently opened up about an unusual sighting he had in space in 2005.
Volunteers are lining up to take part in an alien invasion prank made up of drones disguised as UFOs.
Leaked slides appear to offer guidelines on how to create and spread false information on the Internet.
The aircraft was scrambled when radar stations picked up an object flying at a height of 28,000ft.
An unidentified flying object over Bremen prompted cancelled flights and a formal police investigation.
An extremely rare geological phenomenon has been identified as the source of some UFO reports.