Astronaut Jessica Meir swapps scientific hardware inside the BioLab research incubator

iss074e0503710 (April 22, 2026) --- NASA astronaut and Expedition 74 flight engineer Jessica Meir works inside the International Space Station’s Columbus laboratory module swapping scientific hardware inside the BioLab research incubator. Meir was supporting the Lux in Space investigation that observes how DNA damaged by space radiation repairs itself.