The story of scientists who believe they can detect when a supertwister - the most powerful of tornadoes - will strike, giving people a chance to flee before it hits. Show more
Scientists have discovered that a megathrust, the most powerful kind of earthquake, could happen off the coast of North America, killing millions. What is being done to prepare for the inevitable? Show more
The science documentary series tells the story of the Cassini-Huygens space probe - its engineering, its perilous journey and the wonders it revealed about Saturn and its moons.
Could one of the world's most glamorous scientific theories be wrong? Did a huge meteorite really finish off the dinosaurs? Horizon investigates. Narrated by Jack Fortune. Show more
Horizon assembles a team of leading experts, and using skeleton parts, build the most anatomically accurate Neanderthal. Narrated by Joe Duttine. Show more