Science

Engineering is the discipline of design and construction of mechanical devices, equipment, structures and public works systems. Topics include aircraft technologies, buildings, bridges, robotics and heavy machinery.

What's the Difference Between a Castle and a Palace?

How the Panama Canal Makes Water Flow Uphill

What's the Difference Between an Avenue, a Road and a Boulevard?

The environment is truly a thing of beauty and should be protected whenever possible. What can we do to save the environment, and what new technology is available to help us?

Velociraptor Alert: The Feathered Dinosaur Quiz

Tiny Island of Niue Is World's First 'Dark Sky Nation'

The Stratosphere: Where Birds and Planes Fly and Bacteria Thrives

We see the destruction that the Earth can unleash in the news on a regular basis. Here you can learn about hurricanes, tornadoes, earthquakes and other forces of nature.

Wildfires Can Form Monstrous Pyrocumulonimbus Clouds

New Jersey's Pinelands Are Ripe for an Australia-type Wildfire

Vincent van Goat and Friends Help Vanquish Western Wildfires

Do you know how common everyday items, such as mirrors, fireworks or sunglasses work? This collection of Innovation articles explores the workings of objects you may come into contact with on a regular basis.

Video Software System Syncs Lips to Other Languages

Why Are Legal Pads Yellow?

The 'SnotBot' Drone Is Making Scientific Research Easier on Whales

From the smallest microbe to the largest mammal, Life Science explores the origins, evolution and expansion of life in all its forms. Explore a wide range of topics from biology to genetics and evolution.

How Long Can Viruses Live on Surfaces?

Epigenetics Explains Why Your DNA Doesn't Predict Your Destiny

Do You Have an Inner Voice? Not Everyone Does

Explore the weapons and combat systems used by the armed services. A broad range of topics in the Military Channel includes tanks, aircraft, biological warfare and stealth technologies.

U.S. Military Dogs Usually Outrank Their Handlers

Hypersonic Missiles Fuel New Global Arms Race

Coast Guard Rescue Swimmers Risk All to Save Lives

Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.

Why Are Air-dried Towels So Stiff?

Entropy: The Invisible Force That Brings Disorder to the Universe

5 Hugely Fun Facts About Mass (Not Weight)

Do you know what a meteor is, or what scientists mean when they are talking about cryogenics? Our collection of science terms explains the meaning of some of the most common scientific ideas.

5 Facts About Marie Curie and the Winningest Nobel Prize Family in History

What Is Planck's Constant, and Why Does the Universe Depend on It?

Can You Nominate Yourself for a Nobel Prize?

Are vampires real? What is an out-of-body experience? Are crop circles proof that aliens exist? HowStuffWorks explores what is real and what is urban legend with this collection of Science Versus Myth articles.

What's Really Going on at the 'Dog Suicide Bridge'?

Science vs. Monster Movies Quiz: Tell Fact from Fiction!

Quiz: Test Your Knowledge of These Debunked Conspiracy Theories

Explore the vast reaches of space and mankind’s continuing efforts to conquer the stars, including theories such as the Big Bang, the International Space Station, plus what the future holds for space travel and exploration.

NASA's Chief Sniffer's Job Is to Keep 'Stinky' Situations Out of Space

Saturn: Giant Rings and a Moon Full of Space Lakes

Felicette, the First Feline in Space, Finally Gets Her Due

Many of us take public transportation or fly in airplanes on a regular basis, but have you ever wondered how all of these things work? This collection of transportation articles help explain how people get from place to place.

How Are Airplane Cabins Pressurized?

What Is a Ghost Flight?

Electric Boats Make Emission-free Sea Travel a Reality