The official site for the upcoming game Pokémon Ranger - Paths of Light (ポケモンレンジャー 光の軌跡) for the Nintendo DS was launched earlier today. The site contains basic info about the upcoming game, high resolution game artwork as well as some new information that was not released in Corocoro.

New information:

• The Deoxys mission is called Deoxys and the Mysterious Temple (デオキシスとナゾのしんでん) and it will be available for a limited time as a Nintendo Wi-Fi download from from March 6th, 2010 to May 17th, 2010. The mission has a multiplayer option allowing players to complete the mission with others.
• Professor Shinbara (シンバラ教授) and Imachi (イマチ) return in this game.

Source: http://www.pokemon.co.jp/special/ranger3/index.html