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How Birds Survived the Dinosaur Apocalypse

How Birds Survived the Dinosaur Apocalypse

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2:48
How Birds Evolved to Fly (feat. Slow-Mo Baby Birds)

How Birds Evolved to Fly (feat. Slow-Mo Baby Birds)

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2:56
What's Inside These Ancient Egyptian Jars?

What's Inside These Ancient Egyptian Jars?

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1:58
The God’s Wife of Amun: Powerful Women in Ancient Egypt

The God’s Wife of Amun: Powerful Women in Ancient Egypt

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3:03
Opening a Sealed Egyptian Tomb

Opening a Sealed Egyptian Tomb

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2:38
How the Afterlife Shaped Ancient Egypt

How the Afterlife Shaped Ancient Egypt

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1:15
A Brutal Gladiator Fight in Ancient Pompeii

A Brutal Gladiator Fight in Ancient Pompeii

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2:37
This Pompeii Priest Had an Unexpected Rise to Power

This Pompeii Priest Had an Unexpected Rise to Power

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2:58
This Asteroid Might Make Impact With Earth in 2032

This Asteroid Might Make Impact With Earth in 2032

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3:33
What Caused Baltimore’s Key Bridge to Collapse?

What Caused Baltimore’s Key Bridge to Collapse?

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2:57
What Went Wrong on the Dali Before the Baltimore Bridge Collapse

What Went Wrong on the Dali Before the Baltimore Bridge Collapse

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2:57
Building Blocks of Life Discovered on Distant Asteroid

Building Blocks of Life Discovered on Distant Asteroid

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6:03
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NOVA

What You’re Probably Seeing If You Spot a UFO

When you spot a UFO, are you really seeing something unknown? You can actually see things in Earth's orbit like weather balloons, the International Space Station, and a 60-satellite system called Starlink. Technology has created more clutter in the sky — and a much greater chance for us to misinterpret what we're seeing.
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Beyond the Elements: Reactions
53:31
Season 47 Episode 17
Beyond the Elements: Reactions
Discover the fascinating chemistry that makes our world and everything in it—including us.
Can We Cool the Planet?
53:31
Season 47 Episode 16
Can We Cool the Planet?
Scientists look to geoengineering and other methods to cool the planet.
Nature's Fear Factor
53:21
Season 47 Episode 9
Nature's Fear Factor
Can bringing predators—and fear—back into an ecosystem help restore its natural balance?
Cat Tales
53:21
Season 47 Episode 3
Cat Tales
Goddess, demon, house pet? What does science say about the human relationship with cats?
Polar Extremes
1:52:46
Season 47 Episode 1
Polar Extremes
Paleontologist Kirk Johnson explores the dynamic history—and future—of ice at the poles.
Decoding da Vinci
53:30
Season 46 Episode 21
Decoding da Vinci
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
Why Bridges Collapse
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53:25
Season 46 Episode 18
Why Bridges Collapse
Can new engineering techniques help prevent deadly bridge collapses?
Rise of the Mammals
53:15
Season 46 Episode 17
Rise of the Mammals
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Back to the Moon
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53:32
Season 46 Episode 11
Back to the Moon
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
The Next Pompeii
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53:22
Season 46 Episode 6
The Next Pompeii
In the shadow of Vesuvius and Pompeii, a lesser-known volcano puts Naples at risk.
Rise of the Rockets
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53:34
Season 46 Episode 5
Rise of the Rockets
New technologies are promising a new renaissance in space travel.
Decoding the Great Pyramid
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53:23
Season 46 Episode 4
Decoding the Great Pyramid
New archeological evidence shows the stunning engineering of the Great Pyramid of Giza.
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