Apogee Books
NASA mission reports, biographies, and project histories

Apogee Rockets
model rocket kits and supplies

Apollo Mission Control Photo Plus
autographs and NASA photos (originals and reprints from negatives)

ArtifactCloud
artifacts, autographs and memorabilia

Astronaut Archives
astronaut autographs and flown artifacts

Astronaut Central
astronaut autographs, including signings

Astronaut Scholarship Foundation
astronaut autographs, models and flown artifacts

Boggs SpaceBooks
new and used books on the history of space exploration

eBay: Autographs: Space
autographs (beware of forgeries)

eBay: Memorabilia: Space Exploration
autographs, flown artifacts, memorabilia and collectibles

Espace Lollini
space topical stamps, covers and supplies

Farthest Reaches
autographs, books and flown artifacts

Galactic Stone & Ironworks
meteorites and space memorabilia

Goldberg Coins & Collectibles Auctions
autographs, flown artifacts, covers and mememorabilia

GSFC SpaceShop Online
apparel, collectibles and toys directly from Goddard Space Flight Center

Heritage Auctions
autographs, flown artifacts, covers, books, and memorabilia

Historic Space Systems
flown artifacts and hardware

Interstellar Store
apparel, collectibles, memorabilia and toys

Joe Frasketi's Space Covers
space topical covers and cachets

JSC Exchange Store - ShopNASA.com
apparel, collectibles, memorabilia and toys directly from the Johnson Space Center

Cosmosphere Cargo Bay Store
autographs, collectibles, models and toys

KSC Visitor Complex Space Shop
apparel, collectibles, models, posters and Space Shuttle launch viewing tickets

Liberty Bell 7 Covers
space topical covers and autographs

Lunar Legacies
autographs, flown artifacts, covers, books, patches and memorabilia

Moonpans
high quality moonwalker signed panoramic prints

New Ware Space Kit Series
resin space models, decals, and conversion kits for existing kits

Nick Proach Models
highly detailed replicas of spacecraft, rockets, missiles and satellites

Novaspace Galleries
space art (paintings, prints and posters)

RealSpace Models
resin spacecraft models

Regency-Superior Auctions
autographs, flown artifacts, covers, books, and memorabilia

Retro Space Images
CD and DVD-R collections of NASA historic mission imagery

RR Auction
autographs, flown artifacts and memorabilia

Sky Force Space Patches
NASA space mission patches, Mercury through Space Shuttle

Sky Image Lab
large format/framed astronomy photos selected from observatories' archives

Space Images
unsigned astronaut portraits and NASA mission photos

Space Cover Store
space topical covers and cachets

Spacecraft Films
remastered NASA footage DVDs

Space Shirts
printed apparel and souvenirs

SpaceToys.com
apparel, memorabilia, models, and toys

Up-Ship
models, documents and technical drawings

USSR-AirSpace
Soviet/Russian autographs, books, flown artifacts, models, and memorabilia

The Space Collective
apparel, flown artifacts, memorabilia, models, and toys