The former MoD UFO investigator has suggested that alien monitoring devices could be disguised as common animals.
Scientists have been left scratching their heads by this perplexing and disturbing phenomenon.
Ethan Siegel encountered something one night in New Mexico that would leave him perplexed for almost two decades.
A sketch of the Loch Ness Monster drawn in 1936 has been revealed as part of a cache of newly published files.
A close encounter in 1997 left Sacha Christie scared of leaving the house in fear of being abducted by aliens.
The music legend, who himself passed away in 2016, had previously recalled his own potentially paranormal experience.
The unfortunate woman ended up needing to be rescued after reaching into the toilet to grab her dropped phone.
Scientists have revealed the discovery of the world's largest known crown jellyfish and it looks decidedly alien.
The five-member Trapp family from Esko has a combined height equal to the length of half a tennis court.
The US government's secretive UFO program did more than investigate sightings of unidentified arial phenomena.
Paranormal investigator Candice Collins maintains that this image shows the spirit of an old man with glasses.
Scientists have found signs of a historical earthquake so large that it produced a tsunami 5,000 miles long.
Filmmaker David Rolfe is challenging the British Museum to recreate the iconic shroud to prove that it is a forgery.
The act of destroying the Moon was put forward as a way to solve many of our planet's problems.
Plans to beam Earth's location out into space could have unintended consequences, an Oxford scientist has warned.
The enormous comet is thought to have a nucleus 50 times larger than would normally be expected.
An ecology professor has put forward one of the strangest explanations for sightings of long-necked sea monsters.
The series - simply entitled 'UFO' - has become mired in legal problems over a trademark infringement lawsuit.
Palaeontologists believe that they may have found one of the victims of the extinction event that ended the dinosaurs.
Some researchers believe that the long-sought relic is actually situated in Spain's Valencia Cathedral.