Explore the universe and discover our home planet with NASA through a collection of their sounds from historic spaceflights and current missions. You can hear the roar of a space shuttle launch or Neil Armstrong's "One small step for a man, one giant leap for mankind". Or, you can hear the memorable words "Houston, we've had a problem," every time you make an error on your shortcut…

Credits to NASA for proving the .m4a sound files. They can be found here.