Ak-chin farming makes desert agriculture possible, and now, those practices help communities today. Wenona & Sal Baldenegro (Tucson, Arizona) - Agriculture can thrive in the desert. The Tohono O'odham ...

For over 50 years, NOVA has been telling stories of science that bring you – our viewers – along with us on incredible journeys to experience the awe and wonder of our universe. Together, we’ve ...

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(This program is no longer available for online streaming.) On September 11, 2001, an unimaginable horror unfolded that devastated a nation and the world. Fifteen years later, we are still gripped by ...

Birds are today’s only living dinosaurs, but how did they survive the asteroid? Birds are the only dinosaurs still alive today, but how did they survive the asteroid? Most birds were wiped out, along ...

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 trying to ...

The 6 million-ton Great Pyramid of Giza is the last surviving wonder of the ancient world. How did the Egyptians engineer the mighty pharaoh Khufu’s tomb so precisely, with none of today’s surveying ...

For over two centuries, archaeologists have hailed Pompeii as a sophisticated city at the heart of an advanced ancient civilization. But a series of new excavations is painting a much more complex ...