Earlier today Gameinfomer reported that Activision's quarter earnings call mentioned that access to the Destiny beta would begin in July. Bungie later confirmed the news and promised that an exact date would be announced at E3.
The Destiny Beta will begin sometime in July. You'll find out exactly when you can play during E3. pic.twitter.com/xxW0ufmqig
— Bungie (@Bungie) May 7, 2014
My excitement is building! (Thanks to ncsuDuncan for the Activision slides and DaDerga for pointing out the GI article).