(This program is no longer available for online streaming.) The enduring luster of gold, the conductivity of copper, the strength of steel—the special properties of metals have reshaped societies and ...

In the wake of the horrific mass shooting in Newtown, Connecticut, can science offer a better way to predict violent behavior and prevent such a tragedy? With leading experts in psychiatry and ...

Researchers from all over the world can use DETER, a practice Internet, to discover the best ways to combat hackers and prevent a "Cyber Pearl Harbor." Host David Pogue met with cyber security experts ...

How did life emerge on our primeval continent? Why was North America home to so many iconic dinosaurs like T. rex? And how did a huge sea filled with giant marine reptiles end up covering Kansas? We ...

(These programs no longer available for streaming.) Has the universe always existed? How did it become a place that could harbor life? What was the birth of our planet like? Are we alone, or are there ...

Are the secrets behind the world's greatest magic tricks actually wired into the human brain? Eccentric magicians Penn and Teller and Las Vegas trickster Apollo Robbins team up with neuroscientists to ...

According to U.S. intelligence officials and the Department of Homeland Security, state-sponsored Russian hackers have targeted the American electric utility grid. Cyber threats from nation states and ...

(This program is no longer available for online streaming.) The asteroid that exploded over Siberia—injuring more than 1,000 and damaging buildings in six cities—was a shocking reminder that Earth is ...

(This program is no longer available for online streaming.) NOVA and National Geographic present exclusive access to a unique discovery of ancient remains. Located in an almost inaccessible chamber ...

Follow a team of volcano sleuths as they embark on a worldwide hunt for an elusive volcanic mega-eruption that plunged medieval Earth into a deep freeze. The mystery begins when archaeologists find a ...

(Program not available for streaming.) In "The Ever-Expanding Universe," Hour 2 of the two-part special "Hunting the Edge of Space," NOVA investigates a battery of high-tech telescopes that is joining ...

(This program is no longer available for online streaming.) The dome that crowns Florence’s great cathedral of Santa Maria del Fiore—the Duomo—is a towering masterpiece of Renaissance ingenuity and an ...