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 ...

(This program is no longer available for online streaming.) Astronomers are closing in on the proof they've sought for years that one of the most destructive objects in the universe—a supermassive ...

Cosmic rays are inescapable in space. They can rip right through an astronaut, damaging DNA and possibly causing cancer and memory loss over the long-term. But recent research shows that antioxidants, ...

In this four-part special, technology columnist and best-selling author David Pogue takes a wild ride through the cutting-edge science that is powering a next wave of technological innovation. Pogue ...

(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 ...

(This program is no longer available for online streaming.) In 2011, the worst tornado season in decades left a trail of destruction across the U.S., killing more than 550 people. Why was there such ...

Explore the intimate connections between the landscape, the colonizing of the continent, and the emergence of our industrial world. Beginning with Native American ancestors who crafted hunting weapons ...

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"The Fabric of the Cosmos," a four-hour series based on the book by renowned physicist and author Brian Greene, takes us to the frontiers of physics to see how scientists are piecing together the most ...

Discover how the first civilian bombing unfolded as Germany's Zeppelins rained fiery terror on London in World War I.

(This video is no longer available for streaming.) Prime numbers—those that can only be divided by themselves and one—bear a mystery. Why do primes tend to pair up? Five and seven, for example, are ...

Can we make a robot that really thinks, learns, and acts like us? Replicating the human brain is a lot tougher than it looks; the promise of walking, talking "androids" is still just a fantasy. But ...