The primary goal is to counter creationists' efforts to get into public school science classes.
Membership is available without restrictions or requirements.
All members receive a subscription to NCSE's periodical. Members also get discounts from their book ordering service. NCSE offers a decent selection of books, taped speeches and debates, and other material. As of this writing, the periodical is in a state of flux. The new periodical will include both news and technical articles and be published six times per year.