I wondered too, so I googled around: Its status is "suspended" so maybe it will come back. Its being sued by a Colorado newspaper for linking an article without permission, which is bizarre based on how often this is done, and credit to the paper was given. Wonder if its shut down for now because of that.
Other people asked questions on similar topics, check out the answers they received:
Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them