Chernobyl was the world’s worst nuclear accident. But at the time, the Soviet authorities tried to cover it up. Now, witnesses and survivors reveal what they went through.
Survivors and witnesses recall 11 March 2011, when Japan was hit by a devastating tsunami of 40-foot waves, killing 20,000 people and triggering a nuclear meltdown.
In July 2000, a Concorde crashed a minute after taking off from Paris. But why? Investigators describe how the evidence led them to a shocking conclusion.
Rescue workers, survivors and witnesses relive the traumatic events of the September 11 terror attacks. Some tell their story for the first time, of how a regular morning turned into a nightmare.
The truth behind the NASA rocket disaster of 1986 that killed seven US astronauts. Why did the launch go ahead after NASA engineers called for it to be cancelled?