NASA is a great resource for information and images. Here are links to a few of  the many NASA resources:. 

• NASA’s Solar System Exploration Page – NASA’s site for our solar system.  
• NASA Space Science Education Resource Directory – Site with NASA space science products for use in classrooms, science museums, planetariums, and other settings.
  NASA’s Kids Site – Educational and informational site for kids.
• NASA’s StarChild – A learning center for young astronomers with information related to the solar system and space exploration.
  
• NASA’s Human Space Flight Site – Contains information of past and present manned space flights.
• NASA’s Space Science Mission Page and NASA’s JPL Mission Page – Contains information of past and present unmanned space missions.
• Windows to the Universe – A user-friendly learning site covering the Earth and Space sciences.