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NOVA

Early Earth Bombarded By Comets

Video duration: 5:10

Comets carrying chemicals necessary for life may have come to Earth billions of years ago.

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Origins: Earth Is Born

Origins: Earth Is Born

See the first billion years on Planet Earth—a time of continuous catastrophe, from volcanic eruptions to ho...

Modeling a Comet Airburst

Modeling a Comet Airburst

In this video clip, see why explosion three miles above Earth would act like a white-hot tornado on the sur...

Hunting Meteorites

Hunting Meteorites

In this video clip, join Neil deGrasse Tyson on a trip to the Mojave Desert with meteorite hunter Rob Matson.

Episodes of NOVA46

Video thumbnail: NOVA Why Trains Crash

NOVA

Why Trains Crash

Can new crash prevention technology help us avoid deadly train accidents?

53:51

Why Trains Crash

53:51

Video thumbnail: NOVA The Origami Revolution

NOVA

The Origami Revolution

Engineers are using origami to design drugs, micro-robots, and future space missions.

53:50

The Origami Revolution

53:50

Video thumbnail: NOVA Ultimate Cruise Ship

NOVA

Ultimate Cruise Ship

Join pioneering shipbuilders as they embark on a feat of maritime engineering.

52:55

Ultimate Cruise Ship

52:55

Video thumbnail: NOVA Search for the Super Battery

NOVA

Search for the Super Battery

Explore the hidden world of energy storage and how it holds the keys to a greener future.

53:32

Search for the Super Battery

53:32

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Clips of NOVA218

Video thumbnail: NOVA Our Origami World

NOVA

Our Origami World

Biology and the physical world around us appear to be governed by origami-like patterns.

1:54

Our Origami World

1:54

Video thumbnail: NOVA Is Fear Contagious

NOVA

Is Fear Contagious

Fear may be able to spread from person to person—just like a virus.

5:17

Is Fear Contagious

5:17

Video thumbnail: NOVA Scientists Walking Confidently

NOVA

Scientists Walking Confidently

NOVA has stood for science since 1974, bringing remarkable discoveries to TV and beyond.

1:05

Scientists Walking Confidently

1:05

Video thumbnail: NOVA Snot 101

NOVA

Snot 101

Here's everything you didn't want to know about snot.

3:58

Snot 101

3:58

Video thumbnail: NOVA Our Energy Future, in Toasters

NOVA

Our Energy Future, in Toasters

Every country wants to consume as much energy as the US. Where will that energy come from?

1:53

Our Energy Future, in Toasters

1:53

Video thumbnail: NOVA Supercharged Supercapacitors

NOVA

Supercharged Supercapacitors

A new way of making supercapacitors may help them store more energy than normal batteries.

3:34

Supercharged Supercapacitors

3:34

Video thumbnail: NOVA Super Battery Zimmerman Excerpt

NOVA

Super Battery Zimmerman Excerpt

Excerpt from "Search for the Super Battery"

2:06

Super Battery Zimmerman Excerpt

2:06

Video thumbnail: NOVA A Scientist Walks Into A Bar #1

NOVA

A Scientist Walks Into A Bar #1

An astrophysicist must explain her work on black holes so two comedians can understand it.

4:07

A Scientist Walks Into A Bar #1

4:07

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Previews of NOVA170

Video thumbnail: NOVA Why Trains Crash Preview

NOVA

Why Trains Crash Preview

Can new crash prevention technology help us avoid deadly train accidents?

0:30

Why Trains Crash Preview

0:30

Video thumbnail: NOVA The Origami Revolution Preview

NOVA

The Origami Revolution Preview

Engineers are using origami to design drugs, micro-robots, and future space missions.

0:30

The Origami Revolution Preview

0:30

Video thumbnail: NOVA Search for the Super Battery Preview

NOVA

Search for the Super Battery Preview

Explore the hidden world of energy storage and how it holds the keys to a greener future.

0:30

Search for the Super Battery Preview

0:30

Video thumbnail: NOVA Ultimate Cruise Ship Preview

NOVA

Ultimate Cruise Ship Preview

Join pioneering shipbuilders as they embark on a feat of maritime engineering.

0:30

Ultimate Cruise Ship Preview

0:30

See All Previews