Learn how Viking sword makers designed and built the Ulfberht sword and uncover its role in history.
Learn how modern forensics can send innocent men and women to prison - and sometimes even to death row.
See a fresh investigation of Easter Island, a remote speck that has mystified the world for centuries.
Witness the exhilarating moments of Curiosity's Mars landing - and the spectacular discoveries afterward.
Find out what can we do to prepare for the inevitable disaster following a volcanic eruption in Iceland.
Find out what happened when the first modern humans encountered Neanderthals 60,000 years ago.
Discover the technologies that make drones so powerful, propelling us toward a new chapter in aviation history.
Follow investigators' efforts to determine what really happened to Lindbergh's baby - and why.
Follow a team of experts who build and test two accurate replicas of Egyptian royal chariots.
Witness a groundbreaking special that reveals a spectacular new space-based vision of Earth.
Learn how much science can tell us about a brain at risk for violence.
Follow the ingenious sleuthing that decoded a 2,000-year-old Greek computer.
Travel with Richard Smith to meet the cast in the first scenes of the great drama of life on earth.
Come face-to-face with the previously unknown reptilian rulers of prehistoric Australia.
Travel this walkabout continent to uncover how it became the strange island it is today.