NASA astronaut Jonny Kim shows off Voyager DNA Decryption experiment hardware

iss073e0815503 (Sept. 26, 2025) --- NASA astronaut and Expedition 73 Flight Engineer Jonny Kim conducts research operations for the Voyager DNA Decryption experiment taking place inside the International Space Station's Harmony module. The biotechnology investigation explores the use of DNA as a medium for storing and encrypting digital data, aiming to reduce reliance on traditional, heavier storage systems in space.