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 organization in the world.

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 headquartered in …

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 connect …

“strategy” is a concrete, realistic plan that explains the essential connection between ends and means: it begins from an accurate assessment of what is desired and what tools are available ...

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

Dec 18, 2025 · “He’s the right person at the right time,” NSS CEO Says The National Space Society extends its congratulations to Jared Isaacman for the Senate’s vote that confirmed him as the new …

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, study, and protection …

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

At the direction of the BOG, the annual conservation issue of the NSS News is provided to the public. Recent issues are available now, just click the graphic at left!

The 2025 US National Security Strategy On 5 December 2025, the White House released the 2025 United States (US) National Security Strategy (NSS). The NSS lays out the US foreign policy …