Superscience

Earth's Core

Surviving Nature's Fury

Shark Attacks

For 400 million years, sharks have dominated the Earth's oceans. They have survived 5 planetary mass extinctions to beco

Telepathy

The supposed ability of some individuals to mentally transmit and receive thoughts is examined in this hour. Unsubstanti

Volcano Alert

Spacemen

Bullets

Tsunami Warning

Birth of the Earth

Landslides

Loch Ness

Close Encounters

Moon Mysteries

What's Sexy?

Death of the Sun

Big Freeze

Roman Tech

Lightning Strike Investigated

In over 200 years of study, scientists are still unsure of what stimulates a lightning strike. One current theory sugges

The Deep

Explosive Force

Pyramids

In the space of 500 years, eighteen of these huge monuments were built. Focusing more on the "who" than the "how" of the

Colliding Continents

The history and a projection of the future of the Earth's land masses caused by continental drift is explain by the theo

Birth of the Universe

Freeze Me

Forensics Under Fire

Ancient Asteroid

Extinctions

Deadliest Planets

Was Darwin Wrong ?

Our planet Earth is teeming with life. To some, it's a miracle - but can science explain how it came into existence? Cri

Amazing Planet

Stone Age Apocalypse

Comets

Prehistoric Americans

Deep Space Probes

Dino Meteor

Planet Storm

Killer Lakes

Glacier Meltdown

Destructive Forces

Stone Age Apocalypse

Comets

Prehistoric Americans

Deep Space Probes

Great distances and dangerous environments make robotic spacecraft the best way for scientists to explore our solar syst

Dino Meteor

Planet Storm

Polar Apocalypse

Killer Lakes

Since the death of 1,700 people near a lake in Africa, scientists have uncovered a terrifying series of hazards in lakes

Ring of Fire

Alien Safari

With advanced technology in their hands, astronomers and scientists may now be capable of detecting extraterrestrial lif

Hyper Hurricanes

Dangers of the Deep

Solar Force

Birth of the Solar System

Thanks to new developments in the technology of astronomy, scientists have been able to collect new information, giving

Hubble Trouble

Grand Canyon

The Rockies

Mysteries surrounding the Rocky Mountains are discussed. Included: recent theories on their formation and how the rate o

Birth of America

Birth of Life

How did life begin? its one of the most fundamental and difficult questions that has challenged us for ages. Our planet

Pluto Rediscovered

Three million miles from earth lies a planet so small that even the most advanced telescopes. A dedicated core of scient

Mars: Waterworld

Saturn's Secrets

Asteroid Alert

First to Cross the Ocean

Time Machine

Time travel theorists ask, what if we could send scientific and medical information through time--perhaps a cure for AID

Earth's Invisible Shield

Big Bang

13.7 Billion years ago, there was absolutely nothing. No space, no time, and no matter. Then there was the Big Bang. Nak

Supercontinent

Who killed the Aztecs?

Ice Age Meltdown

What's Sexy

How to Kill a Planet

Hubble's Amazing Universe

Anatomy of a Hurricane

Twister Outbreak

Earth's Evil Twin

Millions of years ago, Venus and Earth cut similar figures. Roughly the same size and about the same distance from the s

Secret Life of Fireworks

Secret World of Fireworks explores the closely held secrets, recipes, and techniques from the world of pyrotechnic showm

Tsunami From Outer Space

How the West Was Made

Living on the Moon

Birth of The Oceans

Stephen Hawking's Universe

Stephen Hawking is one of the worlds most famous scientists. But ALS, also known as Lou Gehrigs Disease, has left him al

Death of the Universe

In the farthest reaches of space, a volatile battle is taking place between two forces so great, they may eventually des

Incinerator Earth

Super Diamonds

The hardest known substance on Earth is known for its value and beauty. Scientists believe diamonds could also hold incr

Monster Black Holes

Astronomers continue to study black holes to understand what role they play in the universe. Scientists understand that

Countdown To Impact

Vesuvius Time Bomb

Dirty Bombs

This episode examines the effects of a hypothetical radiological attack from a car bomb on a major U.S. city. The purpos

Human Extinction

Travel back in time to look at three of the largest mass extinctions that have decimated life on the planet. What caused

Earth Without The Moon

Each year, the moon moves an inch and one half farther away from Earth and is gaining momentum. The gravity it exerts on

Finding the Origin of Life

From Hawaii's volcanoes to Greenland's glaciers to meteorites in Australia, teams of international scientists race to so

Traveler's Guide to Mars

Preventing Armageddon

Until recently, there was nothing that could be done about natural disasters like super-volcanic eruptions, meteors stri

Hunt for Aliens

Scientists reveal evidence of the existence of alien life. Detailed imaging of an underground ocean on a planetary moon

Expedition Apocalypse

The famous explosion that took place in Siberia early in the 20th century, known as the Tunguska Event, obliterated ever

Iceland Volcano Eruption

Iceland's Eyjafjallajokull volcano erupted April 14, 2010, spewing aircraft-harming ash over most of Europe. It could ca

Dead Tired

Dead Tired uncovers research exploring whether tiredness may lead to heart attack, diabetes, obesity, and depression. In

21st Century Submarine

Cameras offer a rare look inside the Navy's latest weapon in the fight against terrorism: the USS Florida, a guided miss

Easter Island Eclipse

This program looks at the remarkable occurrence of the total solar eclipse over Easter Island on July 11, 2010. The prog

Swallowed by the Sun

As the sun continues to age, it becomes increasingly hot and begins to expand, eventually swallowing up Earth. The tempe

Lightning Chasers

Have you ever seen lightning strike from the ground to the sky or float in midair? Spectacular and exotic forms of this

Man-Made Disasters

Some believe that man's insatiable desire to alter his environment is actually causing natural disasters. Urban sprawl p

City Under the Sea

With most of the planet covered by oceans and overcrowding an issue on land, the time may be right to turn the science f

Ancient Sea Monsters

Recently, paleontologists unearthed the fossilized remains of a 35-foot, 240 million-year-old ichthyosaur in Nevada's Au

Alien Fireballs

Scientists study fragments of a meteorite, hoping to gain insight into the origins of life on Earth. Also: a controversi

Was Darwin Wrong?

Does evolution really explain how life on Earth began? For decades, critics have attacked Darwin's theory and supported

Snowball Earth

Imagine a world frozen solid. Imagine that vast sheets of ice hundreds of feet thick encased the entire planet--a giant

Living On The Moon

An insider's look at NASA's Constellation program which hopes to establish a human outpost on the moon by 2020.

Twister Outbreak

On February 5th 2008 Super Tuesday 57 people lost their lives as 87 tornadoes devastated 5 states. It was Americas deadl

Secret World Of Fireworks

Secret World of Fireworks explores the closely held secrets, recipes, and techniques from the world of pyrotechnic showm

Solar Powered Flight

Engineers wondered if a plane that operated solely on solar power could be built. Their efforts over a decade result in

Star Clock BC

Over a century ago, sponge divers recovered an extremely complex mechanical device from a shipwreck. It was decades befo

The Book That Can't Be Read

The centuries-old Voynich manuscript has remained an enigma. Filled with bizarre drawings and written in a language that

O2 The Molecule That Made the World

At this very moment, you could be breathing the same oxygen molecule that Genghis Khan and George Washington did! NGC is

Living in a Parallel Universe

Parallel universes, strange hidden worlds, where an alternative reality exists have haunted science fiction for decades.

Venom Power

Bryan Fry has always been intrigued with things that can kill you. Since surviving a near fatal rattlesnake bite this sc

Sea Strikers

Go on an action packed, hi-tech fishing expedition with the Sea Strikers. When the ocean's top predators strike, their p

Volcano Devils

The 1991 eruption of Japan's Mount Unzen, which killed 43 people, including three volcanologists, is recalled. Included:

Space Vacation