Here are some chess sites I like to frequent with small descriptions
News and Articles
The Week in Chess - One of the oldest and best sources of international chess news on the internet.
Chessbase - Home of the famous database program. News items and an online database.
Tim Krabbé's Chess Curiosities - Open chess diary and miscellaneous chess arcana from the Dutch writer.
Endgames
Nalimov Endgame Tablebases - Online interface to solutions of all positions with 6 pieces or less.
Practical Chess Endings - Solving Ladder with weekly problem alternating between studies and actual games.
EG Magazine - Long running endgame studies magazine.
IM Silas Esben Lund - Weekly chess column from the author of
Sharp Endgames
.
Play Online
Chess.com - Largest site.
Internet Chess Club - Oldest site.
Lichess - Free, open source site.
Audio/Video
The Perpetual Chess Podcast - Ben Johnson conducts weekly interviews with movers and shakers of the chess world.
Chessbrah - The chess kings of Twitch.