Will mulder and scully go out on their own? Has Deep Throat really kicked the bucket? Aficionados of the Fox TV show "The X-Files" will have to wait until the Sept. 16 premiere of the second season to answer these pressing questions. In the meantime, fans should check out the Usenet newsgroup called alt.tv.x-files, where there's an entertaining set of Frequently Asked Questions (FAQ). Delphi Internet Services, owned by News Corporation, Fox's parent company, also has an "X-Files" forum; users can order merchandise with the show's logo.