The Obsidian Mirror is a mysterious artefact crafted from volcanic rock, and it's said to be a device used to communicate with supernatural beings; experts use cutting-edge tech to discover who made this strange relic and why.
A golden disc can answer the biggest mystery of all: Are we alone in the universe? The Voynich manuscript is one enormous puzzle. What secrets are hidden in this bizarre 600 year old book that nobody can read?

The jeweled-encrusted pectoral of King Tut is a hieroglyphic artefact of stunning craftsmanship and one of the greatest treasures of the pharaohs. Was this ancient glass scarab in Tutankhamun's tomb created by forces from beyond our world? Using new research and the latest tech, experts confront the ancient mystery of its flawless glass scarab.
Is a 4,000 year old clay tablet the original instruction manual for Noah's ark? And how can a bizarre red moon rock contain signs of life?

Sal takes uncharacteristically desperate measures in the face of new federal charges, an unearthed paper trail and increasing pressure on a confidant.

As Sal has his day in court -again- Willy decides to go his own way. After two decades, can the government finally make the charges stick?

The Sun is a endless churning cauldron of nuclear reactions and our planet is at its mercy. Revealing its inner workings was once mission impossible, but not any more. We've recruited a fleet of spacecraft that monitor the Sun 24 hours a day, under close surveillance. We just might have what it takes to defend our planet.

In 1940, France has fallen and Hitler orders Operation Sealion, the invasion of Great Britain. But first the Luftwaffe must defeat the RAF for seaborne landings to succeed. In July 1940 an epic struggle in the skies above England begins. Only a brilliant defensive system and the bravery of young pilots stand in the Luftwaffe’s way. Wave after wave of German bombers are attacked by British planes. Featuring the last interview with the youngest Spitfire-pilot in the battle, Geoffrey Wellum.