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Science | Space | Spaceflight

Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section.

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What is a gimbal -- and what does it have to do with NASA?

Believe it or not, to get to space and back, NASA relies on a piece of technology that's been around for centuries. Just what is a gimbal, anyway?


Is there such a thing as space sickness?

 Is there such a thing as space sickness?

Many people are victims of motion sickness, but would you have the same problems in space? Learn if space sickness is a real thing at HowStuffWorks. See more »

Can you sneeze in space?

 Can you sneeze in space?

Have you ever wondered if you could sneeze in space? And if you could sneeze in space, what would happen? Find out at HowStuffWorks.com. See more »

How is GPS used in spaceflight?

 How is GPS used in spaceflight?

GPS would be the logical navigation choice for spaceflight, if its range weren't so limited. Is there another GPS-type option for spaceflight? See more »

10 Offbeat Things Humans Have Launched Into Space

 10 Offbeat Things Humans Have Launched Into Space

Humans have sent a variety of items into space, from movie memorabilia to sporting goods. Learn about 10 offbeat items that have launched into space. See more »

How is oxygen made aboard a spacecraft?

 How is oxygen made aboard a spacecraft?

Oxygen made aboard a spacecraft is done through the use of oxygen generators. Learn about oxygen made aboard a spacecraft. See more »

How is carbon dioxide eliminated aboard a spacecraft?

 How is carbon dioxide eliminated aboard a spacecraft?

To get carbon dioxide eliminated aboard a spacecraft you need a system similar to SCUBA. Learn about carbon dioxide elimination. See more »

Can you make your own homemade spacecraft?

 Can you make your own homemade spacecraft?

Making your own homemade spacecraft sounds pretty neat, right? Learn more about making homemade spacecraft in this article. See more »

How do humans age in space?

 How do humans age in space?

Do humans age in space differently than here on Earth? Find out how humans age in space in this article from HowStuffWorks. See more »

Top 10 Moments in Space Bathroom History

 Top 10 Moments in Space Bathroom History

Top 10 moments in space bathroom history are explained in this article. Learn about the top 10 moments in space bathroom history. See more »

5 Memorable NASA Mission Videos

 5 Memorable NASA Mission Videos

5 memorable NASA mission videos are presented in this article. Check out these 5 memorable NASA mission videos. See more »