Nano-Satellite Launch Challenge
by National Aeronautics and Space Administration
NASA Centennial Challenge to deliver two small satellites to Earth orbit in one week
Sample Return Robot Challenge
by National Aeronautics and Space Administration
NASA Centennial Challenge for an autonomous exploration robot
Green Flight Challenge
by National Aeronautics and Space Administration
NASA Centennial Challenge to build an aircraft that can fly 200 miles in less than two hours using the energy equivalent of less than 1 gallon of gas per occupant
NASA's Space Rock
by National Aeronautics and Space Administration
Choose the songs that will be used to wake up the crews on NASA's last space shuttle missions.
Closed
Strong Tether Challenge
by National Aeronautics and Space Administration
NASA Centennial Challenge for super-strong materials