NASA Humans In Space mainpage. Links to Shuttle section, ISS section and Constellation section (Constellation is the 'going back to the Moon' program name).
   
Info on how NASA plans to return to the Moon by 2018
   

NASA has produced some rather good Maths & Physics resources based on its Constellation program aimed at KS4 & A level. Resources include problems involving quadratics, calculus, vectors, equations of motion etc. The KS4 resources are here and A level here.

   
Interesting article on some of the issues surrounding going back to the Moon and on to Mars