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.
Mars at Crescent Mars was photographed by the Viking spacecraft on their approaches in 1976. Two orbiters and two landers surveyed and sampled the Red Planet, returning data on its weather, geology, and lack of biology. Planetary Image Facility, JPL / NASA