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Available Collections

Clark Iron Meteorite on display at UCLA

UCLA Cosmochemistry Database

Extraterrestrial materials include meteorite falls and finds, micrometeorites,…


The Antarctic Meteorite collection encompasses meteorite samples collected in…

Lunar Samples

Between 1969 and 1972, six of NASA’s Apollo missions brought back a total of…

Collections Coming Soon


Hayabusa, the first sample return mission of the Japanese Aerospace Exploration…

Microparticle Impact

The Johnson Space Center curates a variety of spacecraft and spacecraft…

Cosmic Dust

The Cosmic Dust collection encompasses samples of asteroids and comets, and…


Stardust, a NASA Discovery-class mission, was the first to return samples from…


The Genesis collection encompasses samples collected during the NASA Genesis…

Why AstroMat?

For more than 40 years, NASA’s Astromaterials Acquisition and Curation Office (AACO) has made these samples available to the global research community. Thousands of laboratory studies have been conducted on the samples to describe and analyze their chemical, physical, and mineralogical properties and generated unique data of high value. Currently, these data are widely dispersed across decades of scientific publications and conference abstracts, and are difficult to find, access, and reuse.

The Astromaterials Data System (Astromat) will make analytical astromaterials data easily accessible to scientists world-wide, and enable new ways of mining and analyzing these data leading to the creation of new knowledge. AstroMat will ensure the long-term utility and impact of these data, thus maximizing the scientific return of NASA’s investment into sample return missions, sample curation, and data acquisition on these samples.

Join the Astromat community mailing list to stay updated on developments to the Astromaterials Data System.

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