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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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How Zero-gravity Flights Work

Almost everyone dreams of floating effortlessly like astronauts in space. The Zero Gravity Corporation offers this experience to the public. Go inside G-FORCE-ONE to find out what it's like to somersault in zero gravity and how simulating weightlessness works.


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 »

What is it like to sleep in space?

 What is it like to sleep in space?

What is it like to sleep in space? With 16 sunsets, getting shut-eye is a little harder than usual. Find out how astronauts doze in zero gravity. See more »

Why do astronauts have to work out on the International Space Station?

 Why do astronauts have to work out on the International Space Station?

What is it like to exercise in space? Astronauts can't exactly do laps around the track. Find out how astronauts exercise in space and why it's so important. See more »

How Space Farming Works

 How Space Farming Works

Space farming is the process of cultivating plants in space. Learn why space farming is important and how space farming will affect life on Earth See more »