SNAP (Supernova Acceleration Probe) is an advanced observatory that is being proposed for the Joint Dark Energy Mission, a collaborative venture between NASA and the Department of Energy. SNAP is designed to determine the nature and evolution of the mysterious dark energy which permeates the Universe and is accelerating the cosmic expansion. This website is for the public, educators, and learners who want to know more about the mission and the science that will result from it.

• Educators - Links to activities and information to help teachers teach Science, Technology, Engineering and Mathematics (STEM) topics.
• Public - General links for anyone interested in SNAP.
• Multimedia - Images, animations, PowerPoint presentations and other media related to SNAP.
• Related Links - Miscellaneous links that people may find useful or interesting.