Today, NOVA reaches over 55 million Americans a year, and teachers across the country rely on us to inspire their students with the awesome power of scientific discovery.

The theory transformed our understanding of nature’s laws and the entire history of the cosmos, reaching back to the origin of time itself. NOVA tells the inside story of Einstein’s masterpiece.

Slow-motion footage of baby birds helps scientists uncover how their ancestors took to the skies. Birds today make flight look effortless, but its evolution was complex. Scientists are still ...

Birds are today’s only living dinosaurs, but how did they survive the asteroid?