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.

First and foremost, we want the continued survival and safety of the United States as an independent, sovereign republic whose government secures the God-given natural rights of its citizens and...

Explore educational opportunities to advance careers and join space-interested students and Teachers from around the world. Join our welcoming space community and explore our vast resources. Join …

See the identified Source document to understand each term-definition pair in its proper context. Send inquiries about terminology to the Source's authors; NIST publications will usually include a contact …

The NSS is to be sent from the President to Congress in order to communicate the executive branch’s national security vision to the legislative branch. The NSS provides discussion on proposed...

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 Charities of …

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 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 citizen’s voice on …

1 day ago · The National Space Society (NSS) is proud to announce the successful completion of March Storm 2026, a citizen‑advocacy event that brings space supporters from across the country to …

Nss membership includes an invitation to join the NASA Federal Credit Union where you can enjoy competitive rates on credit cards, loans and deposits. Join now and help secure your future in space!