Michael Harradence over at PlayStation Universe

Work has also begun on future expansion packs as well as on our next full-game release

Well that's a little upsetting. I was really hoping that Destiny would be more like an MMO where they add expansions on top of the base game to expand the game universe. Of course, I'm saying this as someone who loves Destiny. If you were let down by Destiny, this might be the best news you could possibly hear.