See the epic 3-billion-year story of how our continent came to be. From palm trees that once flourished in Alaska to huge eruptions that nearly tore the Midwest in two, discover how forces of almost unimaginable power gave birth to North America.

It's hard not to notice: our weather is changing. From longer, hotter heat waves, to more intense rainstorms, to megafires and multi-year droughts - the U.S. is experiencing the full range of impacts from a changing global climate. But people on the front lines of these destabilizing weather trends around the country are coming up with new ways to adapt to the many challenges they bring. The lessons they're learning today can help all of us adapt in the years ahead, as the planet gets warmer and our weather gets weirder.

See the epic 3-billion-year story of how our continent came to be. From palm trees that once flourished in Alaska to huge eruptions that nearly tore the Midwest in two, discover how forces of almost unimaginable power gave birth to North America.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

Discover the surprising intertwined story of life and the landscape in North America-from origins to iconic dinosaurs to giant marine reptiles swimming in an ancient sea that once split the continent in two.

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent. How did we turn rocks into riches? And what catastrophic natural disasters could threaten the civilization we've built?

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent. How did we turn rocks into riches? And what catastrophic natural disasters could threaten the civilization we've built?

From Ice Age to oil boom, discover the challenges faced and the wealth uncovered as humans take over the continent. How did we turn rocks into riches? And what catastrophic natural disasters could threaten the civilization we've built?

In 2018, Italy's Morandi Bridge collapsed, killing 43 people. NOVA investigates what went wrong and explores other bridge collapses across the United States. How can new engineering techniques make bridges safer and prevent such tragedies?

In 2018, Italy's Morandi Bridge collapsed, killing 43 people. NOVA investigates what went wrong and explores other bridge collapses across the United States. How can new engineering techniques make bridges safer and prevent such tragedies?

In 2018, Italy's Morandi Bridge collapsed, killing 43 people. NOVA investigates what went wrong and explores other bridge collapses across the United States. How can new engineering techniques make bridges safer and prevent such tragedies?

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

Find out who's using your personal data and what you - and a new kind of web - can do about it.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

How big is the universe? Will it ever end? Why is so much of it made of mysterious dark matter and energy? See how mind-bending discoveries over the past 50 years have revolutionized our understanding of the universe.

When the colossal Ever Given container ship crashed into the bank of the Suez Canal in March 2021, international supply chains ground to a halt. How could such a disaster happen? And can the investigation help prevent future accidents?

When the colossal Ever Given container ship crashed into the bank of the Suez Canal in March 2021, international supply chains ground to a halt. How could such a disaster happen? And can the investigation help prevent future accidents?

What makes eagles so remarkable? Researchers study one special bird, revealing her exceptional strength, eyesight and flying skills. Meanwhile, in-the-nest footage of a new bald eagle family captures the drama of chicks struggling to survive.