4/15 Scientists are uncovering a bizarre and alien world that lies 4,000 miles beneath our feet
9/15 How a predicted spate of impending solar storms may affect our technological civilisation.
6/15 Looking at how asteroids are responsible for both life and death on our planet.
8/15 Uncovering research that has the power to make us all live longer and healthier lives.
How science is helping more and more to establish the outcome of serious crimes. (1968)
The story of the men who orbited Earth on board the ill-fated Mir space station. (1998)
Examining the US fear that the Russians are ahead of them in the space race. (1981)
The discovery by physicists of a unique particle. (1964)
Horizon follows an expedition to the Andes in search of a missing plane. (2000)
Horizon investigates the growing tendency to induce childbirth. (1975)