NSS is a registered 501 (c) (3) nonprofit organization.

The National Space Society (NSS) is an American international nonprofit 501 (c) (3) educational and scientific organization specializing in space advocacy. It is a member of the Independent …

Since 1941 the National Speleological Society has been dedicated to protecting, studying, and exploring caves. With 8,000 members we are the largest cave focused membership …

Dec 30, 2025 · The NSS declares what is important to America—its national interests, goals, and priorities—and emphasizes how the President envisions the use of America’s diplomatic, …

The National Space Society (NSS) is an independent, educational, grassroots, nonprofit organization dedicated to the creation of a spacefaring civilization. The National Space Society …

The NSS offers a discounted membership for $20/year. Introductory members received digital access to the NSS News but do not have the option to receive print copies.

Founded as the National Space Institute (1974) and L5 Society (1975), which merged to form NSS in 1987 (see merger proclamation), NSS is widely acknowledged as the preeminent …

Founded in 1941, the NSS is the largest membership organization dedicated to caves & caving. Composed of over 8,000 members and 250+ local chapters - known as grottos - we work to …

The National Space Society (NSS) is an independent, nonpartisan, educational, grassroots, non-profit organization dedicated to the creation of a spacefaring civilization.

Contributors to the NSS Blog are unpaid volunteers. Unless specifically labeled an NSS position or press release, all blog posts represent the views of the author and not of NSS, even if …