Spaceflight covers topics related to human presence in outer space. Learn about weightlessness, astronauts and space tourism in this section.
Up, Up and Away: The SpaceX Quiz
Do you know all the history and science behind SpaceX? Test your knowledge with this quiz at HowStuffWorks. See more »
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 »
Life Aboard the International Space Station Quiz
Think you know a lot about the International Space Station? Test your knowledge with our International Space Station quiz. See more »
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?
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
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?
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?
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?
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?
Do humans age in space differently than here on Earth? Find out how humans age in space in this article from HowStuffWorks. See more »
Loading more content
There's a Big Battle Going on in the Grand Canyon
Your Walk Is So Distinct It Can Reveal Deep Personality Traits
Giving Babies Eggs and Peanuts Can Lessen Allergy Risk, Study Finds
See More Headlines »