In Destiny the Trials of Osiris begin on Friday, May 13th. Where will they take place this time?
The Trials of Osiris are the weekly PvP event in Destiny. There is also a monthly event, the Iron Banner. However, that is expected to occur earliest on Tuesday, May 24th.
The Trials of Osiris begin on Fridays at 7:00 PM and end Tuesday morning at 11:00 AM with the start of a new week in Destiny.

Today, the map being played is Bannerfall.
Fights take place in best-of-9 matches and in 3-player teams. The mode is “Elimination.” If the opposing team is completely dead, you win a round. Fallen teammates can be revived. This makes it extremely important in the Trials to control the bodies of both opponents and your own teammates.
Rewards are usually given through the bounties from Brother Vance. With 5 and 7 wins, there are also “special items” from the Osiris pool, which are determined randomly. The strongest players attempt to reach Mercury with a flawless ticket and loot the chest.
Maybe Friday the 13th is your lucky day today, Guardians.
Before we reveal the Trials of Osiris map for this week, know that our Security Response Team just banned a bunch of cheaters. Play nice!
— Bungie (@Bungie) May 13, 2016
For some cheaters, it wasn’t a lucky day. Bungie announced before revealing the current map that the banhammer has struck again and some cheaters have been banned.