What is wrong with using Wikipedia?
Nothing is wrong with using Wikipedia as long as you understand its limitations, particularly as it relates to academic research. Information on Wikipedia is contributed freely by anyone who wants to post information without any consideration for the authority or credibility of the author.
Does this mean that all of the information on Wikipedia is inaccurate? No, it simply means that you need to be more cautious about the information and recognize that this is a dynamic resource that changes overtime. Consequently, it is not good practice to cite Wikipedia entries in academic research, but Wikipedia can be a great resource as you begin to explore a topic, or to settle a bet with your roommate.
What other choices do you have? How do you evaluate encyclopedias?
The University Libraries provide access to many specialized encyclopedias in a variety of fields of study. However, you should also be prepared to evaluate each for their scholarly value. Below are some suggestions of what to look for: