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

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

Creating a healthier world by quantifying the benefits and harm of every bite of food you take.

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

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

Design and build a safe, quiet, ultra-compact, near-VTOL personal flying device capable of flying 20 miles while carrying a single person.

Accelerated the development of wave-powered desalination systems to provide drinking water in disaster relief and coastal locations.

The American-Made Solar Prize is a $3 million prize competition designed to accelerate and sustain American solar innovation.

The American-Made Solar Prize is a $3 million prize competition designed to accelerate and sustain American solar innovation.

Over 65% of Americans participated in the recent election. Share your ideas to maintain or even increase voter turnout at future elections.