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Ancient Astronaut theorists examine the creation myth of "The Cosmic Egg.

The F-16 and MiG-29, born rivals of the skies, embody opposing design ideals: US tech-driven agility versus Soviet rugged aerodynamics.

In 1989, 20,000 US troops entered Panama to overthrow military dictator Manuel Noriega and around 500 civilians were killed. What prompted the invasion.

Homefront: Eyewitness accounts of how trains were able to bring back troops from Dunkirk, and evacuate hundreds of children to safety.

Eye witnesses, family members and neighbours discuss the case of Mick and Mairead Philpott, who set fire to their Derby home, killing six of their children.

Examine a submerged funerary complex in Greece, ancient mammal footprints preserved by a Turkish volcanic eruption and North American fossils from the post-dinosaur era.

A look at the accounts of modern-day alien abductees. Plus, could the bizarre Paracas skulls discovered by Julio Tello be of extraterrestrial origin.

Ancient Alien theorists explore world mythology as they investigate whether extraterrestrials could be responsible for our existence.

Undercover agents employ daring smokescreens in the service of executing a greater purpose.

Britain's Frontline Bomber: The troubled beginnings and amazing exploits of the legendary British heavy bomber. Plus, see a replica up close. (1 of.

The eight year-old's disappearance and murder shocked the nation. Here, Sarah's mum reveals her tireless campaign to protect other children from paedophilia.

A look at the accounts of modern-day alien abductees. Plus, could the bizarre Paracas skulls discovered by Julio Tello be of extraterrestrial origin.

Ancient Alien theorists explore world mythology as they investigate whether extraterrestrials could be responsible for our existence.

Alice Roberts and Matt Williams visit the Dorset Country Museum, where they explore finds from archaeological digs across the west of Britain.

Alice Roberts and Matt Williams visit the Neolithic Orkney World Heritage Site, where they explore finds from archaeological digs across the north of Britain.

Alice Roberts and Matt Williams visit sites in the west of Britain, including one uncovering the rituals of Stonehenge.

Alice Roberts and Matt Williams present more outstanding archaeology. The team unearths a mass grave and search the Thames for clues to a 17th century tragedy.

In the north of Britain, a team discovers clues to Scotland's first kingdoms and metal detectorists unearth a Viking treasure hoard.

Observe the daily life of a garbage collector in Brazil, visit a cave village in China and take a closer look at the working conditions of a man working in the Egyptian desert.

From the lore and history of ancient Egypt to the myths of Native Americans, mankind's past is riddled with the evidence of UFOs.

The story of the World War II aircraft carrier USS Enterprise. Join her as she sets sail in the Pacific on a mission to sink enemy submarines.

Why do certain areas report a higher concentration of UFO sightings than others? Tony Harris investigates UFO hotspots around the globe.

The Mad King of Bavaria: Explore the controversy surrounding the death of the eccentric King Ludwig, whose unstable behaviour saw him deposed.

A look at the accounts of modern-day alien abductees. Plus, could the bizarre Paracas skulls discovered by Julio Tello be of extraterrestrial origin.