The latest national and international news, exploring the day's events from a global perspective.
The Sky at Night team look at cosmic explosions, including those of our sun and the most violent and energetic events in the universe, gamma ray bursts. Show more
Documentary following a team of underwater archaeologists and experts as they use CGI to reveal the secrets of Pavlopetri in Greece, the world's oldest submerged city. Show more
Historian Bettany Hughes presents a series of clues to show the legend of Atlantis was inspired by a real historical event, the greatest natural disaster of the ancient world. Show more
Michael Scott uncovers the secrets of the Greek oracle at Delphi, now a beautiful tourist site but in its time a gateway into the supernatural and a cockpit of political conflict. Show more
Visiting the great mosques and palaces built by the Ottoman emperors, Simon Sebag Montefiore looks at how Istanbul became the imperial capital and Islam's most powerful city. Show more