Why Join?

Discover your reason to join the NSS

Why donate?

Learn why others donated to the NSS

Member Benefits

You get more than a tote bag when you join the NSS. Learn about the value of an NSS membership here.

Mission and History

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

Why Space Matters?

All NSS members believe space matters. Really matters. Learn more about why here.


ad Astra Downlink is the electronic newsletter of the National Space Society.

Pins in Space Member Upgrade Program

1. The program is for current members only.

2. To get the pin, members must renew and upgrade their current membership level

  • Regular (or senior member) to Prospector or above
  • Surveyor to Pathfinder or above
  • Prospector and Pathfinder to Explorer or above

3. Current Explorer, Pioneer, Settler and Voyager Circle members will receive pin upon renewal

All members will be offered this renewal option. Look for the offer in your renewal letter.