(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 ...

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 ...

(Program not available for streaming.) Our lives are going digital. We shop, bank, and even date online. Computers hold our treasured photographs, private emails, and all of our personal information.

Off the coast of Honduras, on Roatan Island, a legendary experiment in dolphin communication is being attempted for the first time in 20 years—one that could prove that dolphins can, in effect, "speak ...

(This program is no longer available for online streaming.) In "Last Human Standing," the final program of the three-part series "Becoming Human," NOVA examines the fate of the Neanderthals, our ...

(This video is no longer available for streaming.) We've grown accustomed to heart surgery for dogs, chemotherapy for cats, and other variations on human-quality care of pets, but what about surgery ...

(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 ...

"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 ...

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 ...

(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 ...

Could a gene that doubles the lifespan of tiny worms help extend human lives, too? In Hawaii, a group of exceptionally healthy elderly men—who just so happen to share a genetic link to those ...

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 ...