The catastrophic collapse of the ground beneath our feet is a growing worldwide hazard.
Explore the deepest mysteries of the early universe and the quest to find the Higgs Boson.
A team of 500 engineers and divers struggle to raise the Costa Concordia cruise ship.
He risked his life for the nation and became a world icon, but who was Neil Armstrong?
Explore the forces behind deadly landslides—and the danger zones for the next big one.
As the epidemic threatens to spiral out of control, scientists race to find a cure.
Meet Spinosaurus—the lost killer of the Cretaceous and the world’s larger predator ever.
Explore the buried clay warriors, chariots, and bronze weapons of China’s first emperor.
Experts recreate the French’s daring first manned flights, which Franklin had chronicled.
How did fighter planes evolve from rickety biplanes to deadly machines during WWI?
Airs Wednesday, September 3, 2014 at 9:00 p.m. ET/PT. Check your local listings.
A new global geek squad is harnessing cryptography to stay a step ahead of cybercriminals.
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