Computer and Video Games yesterday tossed up an article that confirms the development of two new Command & Conquer RTS titles. Here is a part from the article:

"We're working on Earth & Beyond, the space-based RPG, and we're also working on another Command & Conquer real-time strategy title in addition to the one that's coming out the recently revealed, next-gen C&C RTS, so we're actually working on two of those right now." Full article here.