Why would people need to travel to the moon? what data do they collect on the moon?

I am doing a space project, I choose the moon, but I don't know why I would travel there.....

People don't NEED to travel to the moon. But data collected from the moon helps us learn more about our universe.

http://www.google.com/search?q=data+collected+moon&oq=data+collected+moon&aqs=chrome..69i57j0.15092j0j8&sourceid=chrome&espv=210&es_sm=93&ie=UTF-8