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Science | Space | Space Transportation Systems

Space Transportation Systems (STS) are the systems and architectures that deliver payloads and humans to outer space. Learn about space shuttles, rockets and other spacecraft.

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Can you make a rocket engine using hydrogen peroxide and silver?

At a drag race, I once saw a rocket car that was supposedly powered by spraying hydrogen peroxide on a silver mesh. The resultant reaction produced huge amounts of pure white smoke and apparently enough thrust to propel the car rapidly down the track. Does hydrogen peroxide really react with silver that way?


Rocket Pictures

 Rocket Pictures

These rocket pictures explore the people, science and technologies behind rocket development. Check out this informative series of rocket pictures. See more »

How the Gemini Spacecraft Worked

 How the Gemini Spacecraft Worked

The Gemini spacecraft took 20 astronauts to space and back. Find out how the Gemini spacecraft took NASA one step closer to landing on the moon. See more »

How the Apollo Spacecraft Worked

 How the Apollo Spacecraft Worked

The Apollo spacecraft was built by NASA under the Apollo program. Learn how the Apollo spacecraft put man on the moon. See more »

How Warp Speed Works

How Warp Speed Works

Warp speed would enable you to travel faster than the speed of light. Learn about warp speed and whether it's a scientific possibility or just a sci-fi dream. See more »

Why is a baby monitor picking up video of the space shuttle?

 Why is a baby monitor picking up video of the space shuttle?

Space shuttle transmissions were picked up by an Illinois mother's baby monitor. Find out why the baby monitor is receiving space shuttle video feeds. See more »

Why are space shuttle launches delayed so frequently?

 Why are space shuttle launches delayed so frequently?

Space shuttle launch delays seem to be a common occurrence every time a space shuttle mission is scheduled. Learn about causes of space shuttle launch delays. See more »

How did Lockheed win NASA's Orion contract?

 How did Lockheed win NASA's Orion contract?

How did Lockheed win the Orion contract over the manned-space-experts Grumman and Boeing? Check out some of the expert speculation. See more »

How the EZ-Rocket Works

 How the EZ-Rocket Works

Learn about the technology behind the EZ-Rocket and see how XCOR plans to expand on it in the future with the Rocket Racing League and Xerus. See more »

How the Delta IV Heavy Works

 How the Delta IV Heavy Works

It's bigger, stronger, more efficient and more precise: The Delta IV Heavy is arguably the greatest rocket built to date. It can put 13 tons of satellite payload into its intended orbit with fuel to spare, and that's just the beginning. See more »

How Solar Sail Technology Works

 How Solar Sail Technology Works

In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission. See more »