Sky History 2 Wednesday

From octopuses that can edit their DNA to jellyfish that can live for ever, this edition considers whether such unusual creatures were delivered to Earth by aliens

Spanish Conquistadors obliterated the Mayan people's history. Here, experts investigate whether they may have erased proof of extraterrestrial visitors

Archaeologists in Russia find several mass graves, a Second World War plane sits on a Canadian mountain and cosmic rays in Antarctica have experts stumped

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

Documentary series exploring anomalies appearing on satellite images to try and get a better understanding of unexplained phenomena

From octopuses that can edit their DNA to jellyfish that can live for ever, this edition considers whether such unusual creatures were delivered to Earth by aliens

Spanish Conquistadors obliterated the Mayan people's history. Here, experts investigate whether they may have erased proof of extraterrestrial visitors

Homicide detective Rod Demery and scientist Professor Turi King study an 800-year-old partial skeleton in a bid to identify how it died and the possible identity of its killer

Dan Jones explores the turbulent history of the Tower of London, which has been a military fortress, a palace, a royal mint, a prison, a zoo and a place of execution

Exploring the cutting-edge weapons and defences that armed ancient warriors, investigating who wore the first bulletproof vest and when the first machine gun was fired

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

Tony Harris explores bizzare UFO shapes. He examines a footage of a rectangular UFO, a T-shaped UFO on a collision course with a jetliner and a cylindrical aerial object

Experts investigate images captured by satellites orbiting the Earth, including a ship stranded on the island that time forgot and a mystery Russian military compound

Experts examine the possibility that life began on Mars and travelled to Earth, and assess the plans aliens may have in store for the human race if they really do exist

A lifelong escape artist, Forrest Tucker, became an inmate of San Quentin prison. In 1979, despite his advanced age, he managed to engineer an audacious prison break

Henry III of France still has no heir, Elizabeth orders the death of a rival and Spain declares war on England over control of Europe

Archaeologists in Russia find several mass graves, a Second World War plane sits on a Canadian mountain and cosmic rays in Antarctica have experts stumped

A look at the legend of Thor, asking historians whether they believe in the Norse protector god following new discoveries

From octopuses that can edit their DNA to jellyfish that can live for ever, this edition considers whether such unusual creatures were delivered to Earth by aliens

Spanish Conquistadors obliterated the Mayan people's history. Here, experts investigate whether they may have erased proof of extraterrestrial visitors

Dan Jones explores the turbulent history of the Tower of London, which has been a military fortress, a palace, a royal mint, a prison, a zoo and a place of execution

A look at how the ancient world created incredible power tools and machinery, from stone and granite cutters to fire engines and precise surgical instruments

Experts examine the possibility that life began on Mars and travelled to Earth, and assess the plans aliens may have in store for the human race if they really do exist

Tony Harris explores bizzare UFO shapes. He examines a footage of a rectangular UFO, a T-shaped UFO on a collision course with a jetliner and a cylindrical aerial object

Experts examine strange stone structures on New England and New York's landscapes, contemplating whether they offer clues of alien visitors to Earth