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

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

Help sustain America’s reservoirs. We’re looking for ways to remove sedimentation that regularly accumulates in reservoirs.

Rio Tinto seeks new approaches for mineral sands mining to reduce water use, avoid costly infrastructure and minimize environmental impacts.

Encourage the development of new ideas to cut the costs, timelines, and risks associated with small hydropower foundation development.

A $3 million innovation challenge that aims to stimulate the development of a new helmet for NFL players that outperforms the current model