Sky History 2 Thursday

The Costa Concordia, which suffered a gash on the port side of her hull in January 2012 and ran aground on her side leaving 32 people dead

In the depths of the tropical lowlands of Northern Colombia, scientists discover a gargantuan, unidentified animal vertebra

Images of the jungles of Colombia lead scientists on a search for El Dorado. Plus, a bright green swirling spiral appears in the seas of the Persian Gulf

How the race to develop the first atomic bomb was seen as critical to secure world dominance

How the race to develop the first atomic bomb was seen as critical to secure world dominance

The search for alien codes and messages. Both real-world attempts and fictional portrayals have explored the possibilities of interstellar communication

The fearsome and mysterious gods worshipped by the Norse Vikings, considering whether the super-beings that guided the Vikings were actually visitors from another planet

Alice Roberts sets off across Hadrian's Wall to reveal the forgotten story of the Roman Army's secret weapon in Britain - their cavalry

Alice Roberts visits a secret location in the Cotswolds, which appears to be a high-status Anglo Saxon cemetery, where she finds a very precious and fragile artefact

The Costa Concordia, which suffered a gash on the port side of her hull in January 2012 and ran aground on her side leaving 32 people dead

In the depths of the tropical lowlands of Northern Colombia, scientists discover a gargantuan, unidentified animal vertebra

Images of the jungles of Colombia lead scientists on a search for El Dorado. Plus, a bright green swirling spiral appears in the seas of the Persian Gulf

How the race to develop the first atomic bomb was seen as critical to secure world dominance

How the race to develop the first atomic bomb was seen as critical to secure world dominance

Part one of two. How the Channel Island of Alderney became a pre-occupation of Nazi leader Adolf Hitler and was transformed into one of the most heavily fortified places on Earth

A focus on the widespread belief in astrology, the spread of astronomical knowledge and how the revolutionary ideas of Ptolemy, Copernicus and Galileo reshape our ancient skies

The search for alien codes and messages. Both real-world attempts and fictional portrayals have explored the possibilities of interstellar communication

The fearsome and mysterious gods worshipped by the Norse Vikings, considering whether the super-beings that guided the Vikings were actually visitors from another planet

Alice Roberts sets off across Hadrian's Wall to reveal the forgotten story of the Roman Army's secret weapon in Britain - their cavalry

Alice Roberts visits a secret location in the Cotswolds, which appears to be a high-status Anglo Saxon cemetery, where she finds a very precious and fragile artefact

Car builder Ian Roussel shakes things up by taking on a custom vintage vehicle project for a Hollywood picture car coordinator

The Roman Empire was the most powerful economic, cultural, political and military force in the world of its time. This programme explores the sites that defined its dominance