Sky History 2 Monday

Experts investigate why so many UFOs have been spotted near remote islands, and consider whether the remote outposts could be the earthly homes of aliens

More than 10,000 crop circle formations have been documented and many display properties that defy explanation. Could they be of otherworldly origin?

Alice Roberts explores the Plantagenet era through the history of Canterbury, joining a modern-day pilgrimage and uncovering the lasting impact of the Black Death

One of the world's most infamous deep-sea mysteries remains unresolved. As evidence continues to mount, the mystery of the Loch Ness Monster endures

How the race to develop the first atomic bomb was seen as critical to secure world dominance

Experts examine an ancient Hindi scripture about a giant flying creature landing on Earth, and consider if this could be a description of an alien spacecraft

Strange discs discovered in a cave in China that appeared to tell the story of an ancient extraterrestrial crash on Earth

The connection between the development of military devices and the aftermath of their usage - dynamics that shaped several millennia of human fate

A history of the Second World War's Eastern Front, beginning with the German invasion of the Soviet Union in June 1941 - code-named Operation Barbarossa

Investigation into a possible alien visitation to England in December 1980, when Air Force personnel claimed they saw strange lights hovering in the sky

Experts analyse cryptic writing etched on the Turin Shroud - a piece of medieval linen cloth bearing the image of a crucified man - in an attempt to verify its origins

A look at the discovery of various sites where Vikings had buried treasure, examining why they did it and where the loot came from originally

William Shatner reveals that as a new era of exploration of Mars begins, its mysteries might be close to getting solved

Helen Skelton and Alex Langlands explore the history of Stonehenge, examining the stones that make up the structure, their acoustic properties, and how they were transported

Alice Roberts explores Plymouth's history during the Elizabethan era, visiting the home of Sir Francis Drake, and uncovering his history of piracy and slave trading

Reports of a jar of gold send Adam and Kru on the trail of missing prospector Volcanic Brown and his last known location

The 1928 discovery of a row of seven-foot statues encasing mummies from an ancient civilisation, standing 213 metres above a valley floor in Peru

Professor Alice Roberts revisits the death of Mary I. The daughter of Henry VIII and Catherine of Aragon, she experienced phantom pregnancies in her desperation for a child

Experts examine an ancient Hindi scripture about a giant flying creature landing on Earth, and consider if this could be a description of an alien spacecraft

Strange discs discovered in a cave in China that appeared to tell the story of an ancient extraterrestrial crash on Earth

Helen Skelton and Alex Langlands explore the history of Stonehenge, examining the stones that make up the structure, their acoustic properties, and how they were transported

A look at the Heinkel He 111, one of the most numerous and esily recognised German aircrafts of the Second World War. Plus, how it became a guinea pig for future bombers

The fascinating story behind the Mosquito, the stunning wooden aircraft that undertook some of the most daring and iconic raids of the Second World War

A look at the most iconic aliens in popular culture - the Grays - and if they exist, what their plan could be for mankind and the future of Earth