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.
Artist’s concept of MESSENGER at Mercury A depiction of the MESSENGER spacecraft is shown flying over Mercury's surface displayed in enhanced color. The crater ringed by bright orange is Calvino crater. The enhanced color imagery of Mercury was obtained during the mission's second Mercury flyby in 2008. NASA / Johns Hopkins University Applied Physics Laboratory / Carnegie Institution of Washington