Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
What's Our Next Step? Forty years have passed since human beings first walked on the surface of the Moon. This is astronaut Buzz Aldrin's boot, creating what would become one of the most iconic images of the 20th century—a human footprint in the grainy soil of another world. On page 4, Buzz and executive director Louis D. Friedman offer their opinions about our next steps off Earth. NASA