jw.org is our website.
Start here for general information: http://www.jw.org/en/jehovahs-witnesses/faq/name-jehovahs-witnesses/
Of more immediate interest[March 2013], especially to other denominations of Christendom, is: http://www.jw.org/en/jehovahs-witnesses/faq/why-not-celebrate-easter/
We have information and Bible translations in over 400 languages, I'm told. Much of our material is available also in various audio formats. For about a year some features of our magazines have moved to online-only, especially our material for children.