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 …

The National Speleological Society (NSS) is an organization formed in 1941 to advance the exploration, conservation, study, and understanding of caves in the United States. Originally …

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 …

With more than 8,000 members and 250 Grottos (local chapters), it's the world's largest organization dedicated to fostering fellowship among cavers and advancing the exploration, …

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

17 hours ago · The NSS articulates administration’s national security vision and how elements of US power will be used in pursuit of national security goals.

Dec 26, 2025 · Trump’s NSS 2025 signals a postliberal turn—retreating from liberal hegemony, reframing alliances transactionally, and exposing contradictions of a declining power The …

4 days ago · 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 American international nonprofit 501 (c) (3) educational and scientific organization specializing in space advocacy. It is a member of the Independent …