Sky History 2 HD Wednesday

Recent photos and videos of 'Unidentified Aerial Phenomena', and how they link to accounts from centuries ago

Millions have reported encountering shadowy entities around the world who instil fear and even paralysis. Are they imaginary, or otherwordly visitors?

The 1989 Marchioness disaster, when a pleasure boat collided with a dredger ship on the River Thames, killing 51 partygoers

Stories of naval ships that sank below the waves, from veterans who survived during the Falklands War to a hi-tech mission to solve a Second World War mystery

The Grumman Avenger, which was the most important carrier-based torpedo bomber on American and British carriers during the Second World War

Recent photos and videos of 'Unidentified Aerial Phenomena', and how they link to accounts from centuries ago

Millions have reported encountering shadowy entities around the world who instil fear and even paralysis. Are they imaginary, or otherwordly visitors?

Expert investigations into the possibility that reptilian aliens are more than a pop-culture creation and a favourite of works of science-fiction

Investigations into whether ancient tales of beings with super-human powers could be inspired by extra- terrestrials who came to Earth in the past

Investigations into inventor Nikola Tesla's claims of communication with extraterrestrials on other planets and whether the scientist could have been a human 'receiver'

Theorists investigate how ancient aliens may have helped to guide and define mankind in the remote past

Investigating what the God Particle reveals about the origins of the world, and whether clues to its significance could have been left by ancient aliens

The Ghost Ship of Northumberland Strait, a ghost ship said to sail ablaze within the Northumberland Strait, a body of water in eastern Canada

Dermot Murnaghan examines the tragic case of police officers Nicola Hughes and Fiona Bone, who were murdered in 2012 by Dale Cregan

A profile of scientist Walter Heisenberg, who was key in the Nazis' efforts to building an atomic bomb, asking how close he was to achieving his goal

A nostalgic journey through America's past reveals shocking everyday activities and products - from hazardous toys to dangerous household items

Important figures from the Roman Empire, beginning with General Marius, who defeated a barbarian invasion but then offered his own people a grim ultimatum

Recent photos and videos of 'Unidentified Aerial Phenomena', and how they link to accounts from centuries ago

Millions have reported encountering shadowy entities around the world who instil fear and even paralysis. Are they imaginary, or otherwordly visitors?

Dermot Murnaghan examines the tragic case of police officers Nicola Hughes and Fiona Bone, who were murdered in 2012 by Dale Cregan

Across the world, there are stories of treasures that have been lost for centuries. This programme considers that these ancient relics have been hidden by extraterrestrials

Experts question what probes on Mars may have found over the past 40 years, asking if Nasa could be hiding proof of life on the Red Planet from the public

Investigating whether spiritual leaders known as shamans, who have healed and protected people throughout history really have contact with extraterrestrial realms

A setback occurs in the final stages of restoring a 1964 Parisienne - blowing Mike's budget. The day of Mike's auction - and the biggest financial gamble of his life - arrives

A look at the fire-breathing dragons, appearing in tales throughout the ancient world and worshipped as the bringers of great knowledge