A look at the future of nuclear power, which was called into question by the Fukushima disaster. Included: new nuclear technologies that could prevent meltdowns.
The centuries old Japanese art form has gone high tech. Building with examples in biology and applying sophisticated mathematics, computer software and good old fashion imagination it looks like any structure can be folded and practical applications are everywhere.
An international team of archaeologists is excavating the remains of Vilna's Great Synagogue in Lithuania and searching for a lost escape tunnel dug by Jewish prisoners inside a Nazi execution site.
Documentary which follows the construction of a trailblazing 36,000-tonne steel structure to entomb the ruins of the nuclear power plant destroyed in the 1986 Chernobyl disaster.
An investigation of what happened in Flint, Mich., when officials changed the city's water source to save money, but overlooked a critical treatment process.
Scientists and citizens alike observe the first total solar eclipse to traverse the U.S. mainland in more than a generation. Included: the storied history of eclipse science; and cutting-edge research into the solar corona.
For over a decade, the Cassini space probe has been sending dazzling images of Saturn's breathtaking rings and mysterious moons. Join Nova on a suspenseful ride during Cassini's final hours as it dives into Saturn's atmosphere.
Discover what it was like to be a knight in shining armor and follow the historic manufacturing process. Master armorers re-engineer the Greenwich armor - considered some of the greatest armor ever made - and then put it to the test.
Who built Stonehenge and why? Groundbreaking archaeological digs have revealed major new clues about Britain's enigmatic 5,000-year-old site and the people who constructed it.
Volcanologists search for an elusive volcanic mega-eruption that plunged the medieval earth into a deep freeze. Investigate the geologic evidence from Greenland all the way to Antarctica to identify the 750-year-old culprit.
The Great Hurricane of 1780, which took nine days to blast its way across the Caribbean and killed at least 20,000, is reconstructed in an attempt to learn what made it so devastating.
Geologists examine extreme terrain on Iceland, the Scablands in Washington State, and submerged in the English channel to see if they were created by the same process, a sudden titanic flood.
Join NOVA to witness the brainpower of birds. Long mocked as empty-headed, our feathered friends hide surprisingly acute intelligence. But how smart are they? Watch as scientists test avian aptitude and challenge our basic notions of intelligence.
Investigate how an asteroid vanquished the dinosaurs 66 million years ago. Join scientists as they drill into the impact crater and, for the first time, reconstruct the hell on earth that unfolded in the minutes, hours and months after the impact.
