Innovative ideas for safe, accurate and economical inspections of aboveground storage tanks without human entry, while staying in service.

Design a durable pool cover safe enough to be walked on so families can enjoy their backyards during the cold months.

Where did life and the genetic code come from? Can the answer build superior AI? The #1 mystery in science now has a $10 million prize.

Support NASA's efforts to explore the solar system. This Challenge seeks solutions to distribute, store and manage power in space.

Develop systems that use low-cost solar-thermal energy to help clean water produced by oil & gas extraction & other industrial activities.

To explore the daunting surface of Venus, NASA needs an innovative obstacle avoidance sensor for its mechanical clockwork rover.

Support NASA's Phase 2 efforts to explore the solar system. This Challenge seeks solutions to transmit and store power in space.

Create reliable and cost-effective renewable power at sea to support Powering the Blue Economy™ initiatives. #PowerAtSea Prize

Expand the utilization of non-traditional sources of water, ensure water security in the U.S. and improve the resilience of infrastructure.

This challenge is seeking your ideas for how to automate the inspection of scrap materials in a way that is quick, accurate, and objective.

Integrate marine renewable energy with ocean observation platforms, to revolutionize data collection needed to understand and map the ocean.

Landing on the Moon with all that we need is just the beginning. Now we have to unload it. Your ideas can help jump-start the space economy