NOVA

Explore the secrets that underlies nature’s battleground. Every animal has some kind of weapon, whether it’s claws or horns, fangs or stings. But why are some armaments huge and extreme, far beyond any practical need?

Watch as scientists test the intelligence of birds and reveal skills we assumed unique to humans.

Investigate how an asteroid vanquished the dinosaurs 66 million years ago. Join scientists as they drill into the impact crater and reconstruct the hell on earth that unfolded in the minutes, hours and months after the impact.

Join astrophysicist and novelist Janna Levin on a mind-blowing voyage to the frontiers of black hole science, which is shining new light on the most powerful and mysterious objects in the universe.

Follow two intrepid pilots as they take on the greatest aviation adventure of our time, overcoming countless challenges as they construct and fly the first solar-powered airplane around the world.

Take a risky dive into an underwater cave in Mexico to discover the 13,000 year-old skeleton of a prehistoric teenager. Follow forensic clues that reveal intimate details of her life and death, and how her people first ventured into North America.

Join archaeologists and divers recovering remains of ships and planes lost during World War II’s epic Dunkirk operation. Discover new evidence of the ingenious technology that helped save Allied forces from defeat by the encircling Germans.

Discover how predictions underpin nearly every aspect of our lives and why some succeed spectacularly while others fail.

Join scientists on a quest to better understand the weather and climate machine we call Earth. Why do scientists overwhelmingly agree that our climate is changing, and how can we be resilient - even thrive -in the face of enormous change?

Dive into the devastation wrought by Hurricanes Harvey, Irma, and Maria. How can scientists better predict these storms, and what does the 2017 season tell us about the likelihood of similar storms in the future?