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.
North pole postcard: Mars Mars' north pole has a permanent water ice cap about 1000 kilometers across. The cap has striking spiral-shaped markings, topographic depressions that are poorly lit during most seasons and may be dustier than the higher cap. Learn more about this Mars Global Surveyor view at JPL's website.