It has been teased for months and now we have confirmation. Destiny 2 is coming and has been announced. We just don’t have any details yet.
The official twitter account posted the following
— Destiny 2 (@DestinyTheGame) March 27, 2017
We do not know the platforms yet, but we can assume, PC, PS4 and Xbox One. This is a rather unusual method of announcing, and hopefully more info comes soon.