Sky History 2 Today

Experts investigate mysterious beings with big heads and eyes, whose images were found carved into rocks. Known as the 'greys', they are rumoured to be alien life forms

Experts analyse whether natural causes were responsible for the volcanoes, earthquakes and floods of ancient times - and the possibility that it was down to aliens

The Garden of Eden's location has remained a myth, representing the paradise lost to man because of his sins. However, new evidence suggests its discovery is close at hand

Reconstructing the 1944 battle of Leyte Gulf using CGI animation to re-create one of the Second World War's largest sea battles between America and Japan

Investigating the reasons behind Nasa's denials of UFO accounts and why the organisation has taken measures to prevent its astronauts from telling their stories

Investigating beliefs held by some experts that many atmospheric light shows are actually caused by extraterrestrials

Researchers ask if cloud computing represents the rediscovery of an ancient repository of knowledge known as the Akashic Record

An investigation into the Ark of the Covenant, one of the most sought after religious relics of all time with powers that may suggest a link to an extraterrestrial past

Tony Robinson embarks on a towpath exploration of industrial engineering along the Leeds and Liverpool Canal, tracing the story of its chaotic construction

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

As the drilling operation gets closer and closer to its destination, the team members are shocked to discover evidence of an ancient safe

How, during the Vietnam War, air force and marine pilots flew above jungles in propeller planes to lead jet bombers to their targets

Experts investigate the startling mysteries captured by satellites orbiting the Earth - from hidden worlds to unexplainable natural phenomena

The hunt begins in the Hell Creek Formation of South Dakota, with one of the greatest palaeontology discoveries ever made

The possibility of the existence of portals through space, which would allow people to travel vast distances in the blink of an eye

The possibility of alien civilisations visiting Earth's solar system, including tales of derelict spaceships

Drawing a line to the present, the atrocities of the SS are beyond all doubt, yet, there is a cult surrounding 'old comrades' today

Cameras follow the structure's Raven Master, and General Nicholas Houghton, former Chief of Defence staff and current Constable of the Tower

Overcoming overwhelming odds while fighting throughout the Mediterranean, Julius Caesar's decisive actions were a success and made him the most powerful man in the world

Researchers ask if cloud computing represents the rediscovery of an ancient repository of knowledge known as the Akashic Record

An investigation into the Ark of the Covenant, one of the most sought after religious relics of all time with powers that may suggest a link to an extraterrestrial past

The possibility of the existence of portals through space, which would allow people to travel vast distances in the blink of an eye

The possibility of alien civilisations visiting Earth's solar system, including tales of derelict spaceships

Tony Robinson goes on a four-day trek through the Kintail region of the Highlands, examining the story of the early 1700s Jacobite uprisings along the way

Drawing a line to the present, the atrocities of the SS are beyond all doubt, yet, there is a cult surrounding 'old comrades' today

Documentary exploring how ancient civilisations created weapons of mass destruction that are even more deadly than those created today

Experts investigate the work of Nasa and secret government files relating to extraterrestrial activity, looking for proof of alien contact in the recent or distant past