Science, Technology, Space Exploration & Meteorites

ALS signed “Anton,” one page, 8.25 x 11.75, March 21, 2015. Letter to fellow cosmonaut Oleg Artemyev, written while on board the Int

Flown cover carried on Soyuz MS-10 and Soyuz MS-12, signed in ink by Oleg Kononenko, David Saint-Jacques, Anne McClain, Aleksey Ovchinin, Nick Hague,

Flown cover carried to the International Space Station on Soyuz TMA-17, signed on the ISS in ballpoint by 28 astronauts, including the crews of TMA-17

Circa 1980s Soviet ZSH-6 LP high-altitude pilot and cosmonaut helmet, as worn by Mig-25/Mig-31 pilots at altitudes over 70,000 feet and by cosmonauts

Ring-bound NASA checklist entitled "System Reference Book," used in training for the Approach and Landing Tests of the the prototype Space...

Jeff Hoffman's collection of flown toiletries carried on his various Space Shuttle flights, including STS-46 and the STS-61 Hubble rescue missio...

Jeff Hoffman's "Cargo Systems Manual: ASTRO-1" manual used in training for STS-35, 8.5 x 11, published by NASA's Mission Operation...

Jeff Hoffman's flown EVA comfort gloves carried on STS-61 and worn during three spacewalks for the repair of the Hubble Space Telescope, sealed ...

Jeff Hoffman's flown ring-bound "Ascent Checklist" carried on the Space Shuttle Columbia for STS-75, 6 x 8, featuring translucent plas...

Jeff Hoffman's long segment of flown electrically conductive tether carried on STS-46 and STS-75 as part of the Tethered Satellite System (TSS) ...

Uncommon pair of postal covers, both 7.5 x 3.75, both postmarked at the Kennedy Space Center on April 12, 1981, the launch date of the STS-1 mission,

Three covers flown on the International Space Station, postmarked on board the ISS on the 50th anniversary of Yuri Gagarin's first manned spacef...

Space Shuttle spacefood pack labeled "Curry Sauce w/Vegetables, FT55-14 16034," 4.5˝ x 8˝ x .5˝, with a small circular piec...

Group of five Space Shuttle-era "No Rinse Body Bath Pouch" assemblies, 9.5˝ x 4˝, with sealed nozzles to top, small Velcro swatc...

Engineering prototype of the Space Shuttle Landing Gear Uplock Actuator, measuring approximately 16 x 10 x 11, bearing a Bertea Corporation tag on the

Space Shuttle spacefood pack labeled "Tofu w/ Hoisin Sauce, 1311 BLY418," 4.5˝ x 8˝ x .5˝, with a small circular piece of V...

Flown cover carried on the Space Shuttle Atlantis during the last mission of the Shuttle program, STS-135, signed on board the International Space Sta

Space Shuttle spacefood pack labeled "Broccoli Au Gratin, 3oz hot water * 5-10min, 5219 BOS903," 4.5˝ x 5.75˝ x 1˝, presume...

Ken Reightler’s green-and-blue Land’s End long-sleeve rugby shirt worn and flown during the STS–60 mission, size large, emb

Flown Heuer stopwatch carried on STS-29 by Mission Specialist Robert C. Springer, featuring dark blue hands on a white face with black Arabic numerals