Coin Academy: Free introductory courses to cryptocurrencies (registration required).
Coindesk's Beginner's Guide to Blockchain Technology: A comprehensive FAQ on crypto.
Coin Telegraph's "ICO, Explained": An FAQ on ICOs.
Blockgeeks: A great article explaining ICOs.
Coindesk: The leading publication on all thinks crypto.
Coin Telegraph: Another good source of news on crypto, a bit more technical.
ICO Insider: Besides news, they often do in depth reviews of upcoming ICOs.
Cryptocoin.news: Combination of current news and ICO analysis.
Telegram: Too many, here's a list with the most important ones