Like HowStuffWorks on Facebook!

Science | Space | Spaceflight

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

Featured
How does going to the bathroom in space work?

When nature calls, you have to listen. But when you're in microgravity, going to the bathroom can be a major challenge. How do astronauts get the job done?


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 »

Spaced Out: Astronaut Quiz

Spaced Out: Astronaut Quiz

This astronaut quiz will test your knowledge of some of the bravest people in aviation history. Test your knowledge of astronauts with our astronaut quiz. See more »

Spaced Out: Space Shuttle Quiz

Spaced Out: Space Shuttle Quiz

Do you know the history and technology behind space shuttles? Test your knowledge by taking this quiz at HowStuffWorks. See more »

Are there military space stations out there?

Are there military space stations out there?

Military space stations were of extreme interest to the U.S. and the Soviet Union in the 1950s and 1960s. Learn about military space stations. See more »

How Elon Musk Works

How Elon Musk Works

Elon Musk made his fortune in the Internet. But, now he's a rocket builder. Learn more about Elon Musk's plans to send average tourists into space. See more »

How will Blue Origin work?

How will Blue Origin work?

Blue Origin is a commercial space company started by Jeff Bezos, founder of Amazon.com. What plans does Blue Origin have in the commercial space race? See more »

How Sputnik Worked

How Sputnik Worked

Sputnik started the space race between the U.S. and the U.S.S.R. It also helped create the Internet. Find out how Sputnik worked. See more »

How the Space Race Worked

How the Space Race Worked

The Space Race between the United States and the former Soviet Union lasted 20 years. Find out what the space race was all about. See more »

How the Google Lunar X Prize Works

How the Google Lunar X Prize Works

Google Lunar X Prize is challenging would-be astronauts to a $20-million quest to the moon. See more »