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NASA's covert plan to blow up the moon with a nuclear warhead and how U.S. attempts to put spies in orbit paved the way for the first space station.

The Luftwaffe's Frontline Fighter: The astonishing story of the 109 and its modified variants, best known for its role in the Battle of Britain. (3 of.

Bludgeoned to death whilst walking down a country lane, the horrific murders of Lin and Megan Russell made worldwide news. Discover the events of that shocking day.

Experts investigate whether the US military has a secret space programme, as well as evidence suggesting alien races have been in conflict for millennia.

Experts question whether the truth of our alien past could be buried in areas that, due to warfare or instability, are off-limits to exploration.

Could some of our ancient texts and structures be home to secret messages left by alien ancestors? If so, what can we learn from them.

Experts on the extraterrestrial investigate the possibility of the religious relic being an alien artefact.

Aliens And The Creation Of Man: Can unexplained advances in human evolution be attributed to alien architects? Alien theorists look at the evidence.

Home to mysterious stone circles, stories of strange beings and reported sightings, Scotland has always been an epicentre of otherworldly phenomena.

With so many strange reports of UFOs, animal mutilations and more, a specific latitude north of the Earth's equator has been dubbed 'the UFO Superhighway'.

Travel to the richest country on the planet, take a tour of a mind-blowing hotel in Italy, visit a chicken-shaped church in Indonesia and discover the hidden world under Moscow.

Hear first-hand accounts from seasoned, decorated police officers who have had unbelievable, but substantiated UFO encounters.

The American Navy is on the offensive and the first strike is on the Solomon Islands. Join the USS Enterprise as it supports the first American invasion.

A look at the women who surrounded Hitler after he came to power and how they were held up as an Aryan ideal for German society to strive for.

A new emperor with a huge vision and undeniable power slowly gains control of the entire Roman empire following the end of the civil wars.

Through history, mankind has credited its existence to otherworldly beings. Could this be true? Can any proof be found in these early beliefs.