FindLaw is a free site of legal information for the general public. It's "Learn About the Law" section can help you learn the basics of certain legal subjects. To find information more relevant to legal professionals, look for the "Visit our professional site" link near the top right of your screen. There you will find research links and other handy resources.
Justia is a free site for legal information that includes links to blogs and podcasts and a section on cases currently in the news. Near the bottom of its homepage are links to a group of useful "Key Legal Research Sites."
Law.com is part of ALM, the media company that publishes American Lawyer magazine. Aimed specifically at legal professionals, this site offers an extensive collection of legal news, including "special report" sections on current events.