planting trees on mars

If we are going to set up permanent bases on the Moon or Mars, we need to think of ways to make our own food.

NASA has made many bold plans for the future of the Mars program, adding self-propelled ships to the Martian surface by 2020 and sending manned spaceships in 2030.

This is a note from Sheyna Gifford, NASA physicist and scientist who is participating in the mission to simulate HI-SEAS Mars IV.