SkyHistory2HD

Chart the development of the original form of combat - melee. Over time, short range instruments of battle have evolved, from the short sword to Exoskeletons.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

The Code That Won the Great War: Revealing the encrypted German telegram could save Britain in its darkest hour. Can a team of geniuses decode the message in time.

In 2017, a strange, cigar-shaped object enters the solar system, causing some astronomers to suggest that it could be an extraterrestrial craft.

Theorists speculate about the existence of black holes on Earth, which may explain strange disappearances and other inexplicable phenomena.

Experts scrutinise the paintings, journals and technical drawings of Leonardo Da Vinci. Could they hide evidence of extra-terrestrial beings.

Scientists explore the possibility that sightings of alien beings or UFOs may be evidence of time travellers from the future.

Theorists investigate a depiction of a stegosaurus found at Angkor Wat in Cambodia. Could it suggest that alien species killed off the dinosaurs.

No one knows who designed and built Bolivia's sophisticated temple complex. Could it have been aliens? Experts investigate.

Experts question ancient civilisations' fixation with the Orion constellation. Could this star group have been an entry point for aliens visiting Earth.

Marfa Lights, Devil Goat and Subway Survivor: Are the famous glowing lights above Marfa, Texas a supernatural phenomenon? And what spirit possessed a goat to walk like a human.

In 1943, Germany fell at Stalingrad, its first major defeat. In the Pacific, Japan lost momentum after the US won at Guadalcanal.

The Code That Won the Great War: Revealing the encrypted German telegram could save Britain in its darkest hour. Can a team of geniuses decode the message in time.

Explore the groundbreaking discoveries, inventions and inventors throughout history that have changed the way we live our lives.

With the help of modern science, uncover the secrets of health and wealth in Ancient Egypt from Queen Hatshepsut's death to a case of breast cancer.

In 2017, a strange, cigar-shaped object enters the solar system, causing some astronomers to suggest that it could be an extraterrestrial craft.