Researchers have been investigating a 350-year-old UFO case that remains a mystery to this day.
A UFO researcher in Russia has found what he believes to be a UFO in Antarctica using Google Earth.
Alan Betts and his family discovered something strange in a picture they'd taken while visiting the loch.
Footage has emerged of what looks like the moon changing shape as it moves across the night sky.
Thousands of people across the country reported sightings of an unidentified trail of light in the sky.
An unidentified object was caught on camera during a golfing event in Florida earlier this month.
Glenn Dennis, one of the original Roswell incident witnesses, passed away earlier this month.
Author David Clarke believes he has found the answer to one of Britain's most enduring UFO mysteries.
A number of high-profile UFO sightings have been making headline news in the Central Luzon region.
Several people took to social media to report sightings of strange lights over the city on Tuesday night.
Residents of New York City dialled the emergency services after seeing a UFO on Saturday night.
A woman who had been filming the eruption also recorded an object that had appeared in the sky nearby.
US military personnel reported several unusual incidents involving UFOs during the war in Vietnam.
The Chilean government has concluded that an object witnessed over a copper mine was not man-made.
Footage has emerged online of a strange glowing disc-shaped object that appears to spin in the sky.
Veteran pilot Andrew Danziger experienced something unexplained during a flight from Kansas City in 1989.
Gen Nakatani responded to questions about the UFO phenomena during a meeting last week.
A new video has appeared online which shows a mysterious object hovering over the UK city of Leeds.
Lake Baikal in Siberia has been home to a spate of peculiar sightings and strange tales in recent years.
The British Ministry of Defence has delayed the release of 18 'bombshell' documents by several months.