The official Japanese website has announced Pokémon Black and White (ポケットモンスター ブラック・ホワイト) for the Nintendo DS. The 5th Generation games will be released later this year. More information about the games will be released later this week.
Discuss this news on the forum:
http://www.pocketmonsters.net/forum/threads/2915
Source:
http://www.pokemon.co.jp/bw/index.html