(Programs not available for streaming.) In this two-hour special, NOVA examines how a simple instrument, the telescope, has fundamentally changed our understanding of our place in the universe. What ...

(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 ...

The entrepreneurs and engineers at LiftPort Group in Bremerton, Washington think space elevators aren't just a wild idea. Indeed, they've staked their corporation on the concept. In this video, join ...

On January 12, 2010, as all the world knows, a devastating earthquake struck Haiti. Yet fewer realize that just two years earlier, the quake had been forecast with amazing accuracy. In exclusive ...

(This program is no longer available for online streaming.) "Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. Produced in ...

Tapping into social cues to trick their audience, magicians rely on a phenomenon called joint attention. Most audience members will pay attention to what a magician is looking at—so a magician can ...

Featuring interviews with world-renowned scientists, each hour unfolds with a CSI-like forensic investigation into the life and death of a specific hominid ancestor. The programs were shot "in the ...

(This program is no longer available for online streaming.) Through a mix of crime-lab science, archeology, and history, this NOVA/National Geographic special presents new evidence that is changing ...

Photosynthesis in plants and a few bacteria is responsible for feeding nearly all life on Earth. It allows energy from the Sun to be converted into a storable form, usually glucose, which plants use ...

"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 ...

(This program is no longer available for online streaming.) Almost a century ago, paleontologists found the first tantalizing hints of a monster even bigger than Tyrannosaurusrex, perhaps the largest ...

National Corporate funding for NOVA is provided by Carlisle Companies and Viking Cruises. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS ...