Sky History 2 Monday

UFO witnesses have reported a variety of objects in Earth's skies for centuries, but whether they offer clues about more intelligent life in the Galaxy remains unclear

Experts investigate whether the stories of a time when gods and otherworldly beings inhabited the planet are more than mere mythology

Alice Roberts explores the UK's past through the stories of its towns, beginning with Chester, examining its Roman heritage by delving into the town's history

America's Constitution starts with the words 'We the People'. The presenter comtemplates who, exactly, is meant to be included in this soaring phrase

The Nazis' growing influence in Europe after the First World War. The seeds were sown as a clash of right-wing and left-wing politics caused strife in Germany

Experts contemplate whether aliens could be causing natural disasters and wars in a bid to control the fate of the human race

The possibility a curse could exist on Tutankhamun's tomb, in the form of alien technology designed to protect an incredible secret about the past

The story of a deadly war that intertwines Germany, Poland, Japan, Italy and Spain as the remorseless development of weapons and bombers

After the end of the Battle of Britain came the bombing of German cities. In the war in the Pacific, the US and Japan successfully bombed naval and land targets

Space journalist Sarah Cruddas joins Craig to investigate a spectacular mass UFO sighting over the city of Phoenix, Arizona, in 1997

The former US President explores the history of the Presidency. This final episode traces the rise of America's place on the world stage

From India at the time of the Mughal Empire to the Assyrian city of Nineveh, a look at the origins of the curses surrounding the Koh-i-Noor, the Neo-Assyrian Stele and more

Sightings of unexplained 'aerial phenomena' and reports of so-called 'first contact' moments, which are supported by credible eyewitness accounts or clear video footage

Alice Roberts witnesses the uncovering of a Roman mosaic on farmland in Rutland, and visits the site of a saintly hermit's hovel discovered in the Lincolnshire fens

Alice Roberts reveals the history of Belfast, visiting the shipyards that built the Titanic and getting locked up in the notorious Crumlin Road gaol

Legend hunter and mountaineer Adam Palmer leads a bid to finally solve the mystery of Slumach's lost gold mine, amid the rugged terrain of the Pacific Northwest

A look at burials, funerary remains and relics from age old death rituals, to shed new light on the secrets of ancient civilisations

Part two of two. Alice Roberts revisits the death of Queen Elizabeth I, calling upon forensic pathologist Dr Brett Lockyer to discover the medical facts regarding her final days

Experts contemplate whether aliens could be causing natural disasters and wars in a bid to control the fate of the human race