Scientists and survivors revisit the harrowing EF5 twister that ripped through Moore in 2013 and explore the challenges of predicting extreme weather.
This NOVA program investigates deadly train accidents and explores how technological advances can help make travel by rail safer and more efficient.
Five years after the nuclear crisis in Fukushima, a new generation of nuclear engineers grapples with the future of this controversial power source.
A magnitude 7.8 earthquake strikes Nepal in April 2015. Scientists race to calculate the impact and devise ways to mitigate future disasters.
Sir John Franklin's search for the Northwest Passage ended in tragedy in 1848. In 2014, a team of scientists sets out to find one of his lost ships.
Eyewitnesses provide real-time accounts of disasters including car and plane crashes, shipwrecks, storms and droughts in this documentary series.