Well it depends really , each person has his point of view whether god exists or not , But if we are talking " Scientifically" well i'd say yes there is a god & there should be a god , i have found this article that might help you understand scientifically that god exists.
http://www.everystudent.com/features/isthere.html
have a good time reading. & btw i believe god exists and on only not thousands of them.