US government confirms 21 unexplained sightings in new bombshell UFO report

Jaw-dropping video shows swarm of UFOs 'completely unaffected' by missile attack

Inside mystery of 'Alaska Triangle' where travellers keep disappearing

Britain's first alien abduction victim recalls horrific encounter with UFO

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UFO sightings in UK mapped as experts 'pull curtain back' on mystery

Mystery of Alaska triangle as UFO is shot down by F-22 fighter jets in US

Beauty spot becomes UFO hotbed as couple spot aliens during firework display

Expert flooded with emails from people who claim they have been abducted by aliens

Top scientist says 'undeniable' proof of alien civilisations will emerge 'soon'

Terrified man says 6ft aliens with 4 fingers kidnapped him - and expert says UFOs do exist

Donald Trump becoming president 'is the perfect storm' for huge UFO announcement

Netflix series based on real events leaves viewers 'unsure of who to believe'

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Alien signal 'could contain terrible truth' as fears rise over 'imminent' announcement

Russian spy 'posed as alien' in bizarre attempt to meet Prince Philip, documentary claims

Huge alien announcement 'could happen within weeks' as professor says 'we've found it'

King Charles 'flew prototype UFO in Canada' claim witnesses in new documentary

Former Pentagon insider reveals why UFOs appear to defy the laws of physics

Adele has bizarre run-in with Scientology chiefs who try to buy her stunning mansion

'USAF whistleblower' claims huge UFO announcement will happen 'within days'

Coronation Street star Geoffrey Hinsliff tributes as Helen Worth calls him 'lovely man'

ITV Love Island legend Ekin-Su Culculoglu determined to make 'out of this world' career change

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Residents bury their cars in the sand in creepy 'living ghost town'

'I was the US government's UFO chief – I know aliens have been found on Earth'

Donald Trump promises to 'release new UFO footage' if he's elected president

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Do aliens exist? Hundreds of pictures and videos of UFOs are taken every year and enthusiasts believe many of them could be proof or even a hidden conspiracy. While some have been debunked as fake, there are still dozens that have left even the experts scratching their heads and wondering if we really have been visited by creatures from another planet.