We are happy to announce that Space Engineers is going to be released for Xbox One, the all-in-one games and entertainment system from Microsoft, via the ID@Xbox self-publishing program and it will remain exclusive on Xbox One for twelve months. The news was first announced live during the Xbox news briefing at gamescom 2014.
https://www.youtube.com/watch?v=22TUhI6phKs
For more details read here: http://www.spaceengineersgame.com/space-engineers---xbox-one-official-announcement.html
IMPORTANT NOTE:
The 12 months exclusivity relates to consoles only. PC version and possible other ports (eg. Mac, Linux, mobile, tablets) are unaffected by this. You can find more info regarding the development of the Xbox One and the PC version on Marek’s latest blog post: http://blog.marekrosa.org/2014/08/space-engineers-for-xbox-one_13.html.