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Cameras Capture Earthbound Meteorite

Cameras Capture Earthbound Meteorite

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Could Mars Have a Ring Around It One Day?

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How Medieval Armorers Made Knights Bulletproof

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Sir Arthur C. Clarke's Vision of the Computer-Dominated Future

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The Most Baffling Idea in Physics, Explained

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How Atomic Clocks Keep Perfect Time

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Creating a Robotic Double Dutch Machine

Creating a Robotic Double Dutch Machine

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What Happens to Your Checked Bag at the Airport?

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The $8 Billion Overhaul of LaGuardia Airport: Engineering a New Era

The $8 Billion Overhaul of LaGuardia Airport: Engineering a New Era

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Flight Turbulence Is Actually Getting Worse

Flight Turbulence Is Actually Getting Worse

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Who is the Mystery Man Buried Under Notre Dame?

Who is the Mystery Man Buried Under Notre Dame?

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NOVA

Why Do Comets Have Tails?

Worlds that exist close to the warmth of the sun, like the rocky worlds of Mars, Earth and our moon, have relatively little ice, because they lie inside what is known as the ice line.
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Ancient Earth: Life Rising
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53:47
Season 50 Episode 13
Ancient Earth: Life Rising
See how life made the leap to land, turning a barren landscape into a lush, green world.
Ancient Earth: Frozen
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53:46
Season 50 Episode 12
Ancient Earth: Frozen
How did life survive on a planet covered in ice from pole to pole?
Ancient Earth: Birth of the Sky
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53:47
Season 50 Episode 11
Ancient Earth: Birth of the Sky
See how Earth transformed from a barren hellscape to a planet capable of sustaining life.
Your Brain: Who's in Control?
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Season 50 Episode 10
Your Brain: Who's in Control?
Dive into the subconscious to see what’s really driving the decisions you make.
Your Brain: Perception Deception
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Season 50 Episode 9
Your Brain: Perception Deception
Neuroscientists discover the tricks and shortcuts the brain takes to help us survive.
Hidden Volcano Abyss
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Season 50 Episode 8
Hidden Volcano Abyss
Investigate one of the most powerful volcanic eruptions in recorded history.
Saving the Right Whale
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53:31
Season 50 Episode 7
Saving the Right Whale
Follow scientists determined to save the critically endangered right whale.
Chasing Carbon Zero
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Season 50 Episode 6
Chasing Carbon Zero
Here’s how the U.S. could reach net-zero carbon emissions by 2050.
Nazca Desert Mystery
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Season 49 Episode 17
Nazca Desert Mystery
Who created the Nazca lines and why? New clues to one of the greatest ancient enigmas.
Rebuilding Notre Dame
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53:43
Season 49 Episode 13
Rebuilding Notre Dame
A team tackles the restoration of iconic Notre Dame Cathedral.
Ice Age Footprints
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Season 49 Episode 9
Ice Age Footprints
Ancient footprints provide new evidence of humans and extinct giant beasts of the Ice Age.
Why Ships Crash
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53:20
Season 49 Episode 8
Why Ships Crash
How could a single ship cause a major supply chain crisis around the globe?
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