The Spaceward Foundation has announced $4 million in prizes for space technology over the next 5 years. This is 10 times the purse to this point.
The 2006 prize purse will remain $200,000 per each of their two competitions, increasing to $300,000 in 2007, and so on, until they reach $600,000 in 2010. Any unwon prizes will automatically roll over to the following year NASA provides the prize money, but not with operating funds. Commercial sponsorship is needed for operating funds.
they have prizes for developments towards Space elevators and Mars Robots