
art002e027808 (April 8, 2026) – NASA astronaut Christina Koch smiles at the camera as she holds a pipette and saliva booklet for the Artemis II Immune Biomarkers study. Samples will be analyzed for proteins, enzymes, and other biomarkers that monitor immunity, inflammation, nutritional status, bone health, and radiation effects, to determine how crewmembers adapted to deep spaceflight conditions. Credit: NASA
Most NASA images are in the public domain and free to use. Credit NASA as the source. Check NASA's media usage guidelines for details. Images featuring identifiable individuals may require additional permissions.
NASA ID
art002e027808
Date Created
April 8, 2026
Center
JSC
Media Type
image
Download this image in multiple resolutions. All NASA media are free for public use.
Large
1920px