collectSPACE, founded and edited by Robert Pearlman, has published articles and reviews by authors Andrew Chaikin (A Man on the Moon), Kris Stoever (For Spacious Skies), James Oberg (Red Star in Orbit), Frederick Ordway III (Imagining Space), Francis French (In the Shadow of the Moon), David Hitt (Homesteading Space), Russell Still (Relics of the Space Race), Colin Burgess (Into That Silent Sea), Jay Gallentine (Ambassadors From Earth) and Apollo astronaut Walt Cunningham, among others.

[citation needed] collectSpace originally contained a photo gallery, drawing on Pearlman's personal collection; "Sightings," a calendar of astronaut appearances; and a short article about Apollo 11 anniversary toys.

"[citation needed] collectSPACE earned national media attention later in 1999 for its role in halting a controversial eBay auction for Space Shuttle Challenger debris.

Among those posting and replying to messages have been former Apollo (EECOM flight controller) Sy Liebergot; Stephen Clemmons, a member of the Apollo 1 ground support crew; Project Mercury astronaut Scott Carpenter's daughter Kris Stoever; astronaut Pete Conrad's son, Pete Conrad, III; National Air and Space Museum curator Allan Needell, space historian Dwayne A.

Auctions, the site offered bidders the chance to have an item of their choice signed by one of 22 retired astronauts, who volunteered to participate.