Astroaddies
A list for space enthusiasts and collectors of astronaut autographs alike.
Astronauts
A group for collectors of autographs and related space memorabilia.
NASASpaceflight.com Space History
Message board about the missions that were, or will never be.
Space Modelers
A discussion group of people who build or are interested in building models of space, rocketry, and research aircraft (X-planes) related items.
Podcasts and broadcasts:
Space Rocket History
Weekly podcast about space exploration history
The Space Show
David Livingston's radio talk show about the development of space commerce
Vintage Space
Amy Shira Teitel's YouTube channel for weekly videos about spaceflight history
