NASA's reliance on Russia to fly its astronauts to space has left experts worried.

• Spaced out
  

Fancy a trip to the moon? Your next vacation could be spent seeing stars ...

• Space vacation
  

Should NASA depend on Russia to go to space? Share your views in our debate.

• Join the debate
  

An exclusive chat with one of science fiction's leading lights.

• Interview: Iain M. Banks
  
• Video: Iain M. Banks
  

Should we head for the stars, or fix things on Earth first? Share your views in our debate.

• Join the debate
  

A mission to Mars could pose psychological challenges never faced by humans before.

• Space psychology
  

Space trader or pilot? Find out what role you'll play when humanity expands into space.

• Take the quiz!
  

Getting food on the moon will take more than your average trip to the grocery store.

• Growing food in space
  

Could solar power beamed down from space offer a solution to energy problems on Earth?

• Space solar power
  

Do you really own that acre of moon land you bought for $40?

• Lunar land rush
  

Want to be an astronaut? It's no longer a young man's game.

• Middle-aged spacemen
  

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