Enhance ventilation and keep out mosquitoes as an improved version of the ‘air cavities’ solution from the 2021 Habitat Challenge.

Design and build a safe, portable, robust, autonomy-enabled Emergency Response Flyer.

Contribute to raise the prize purse! Help sustain the US weather system. Protect lives, strengthen early warnings, together. Every $1 helps.

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

Abundance catalyst. An innovative environment allowing people to escape scarce resource and re-focus entirely on their passions.

Holy Grail "a cup that overflows" 1 Billion+ Portable Personal Air to Water machines rolled out in 10 - 25 years

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

Give a tiny bot a new set of tools to explore the moon. Share your ideas for a mini payload to make lunar exploration more effective.

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

Help astronauts go back to the Moon in 2024! NASA seeks new designs for a toilet that will work both in microgravity and lunar gravity.