NASA astronaut Luke Delaney works inside the Harmony module on a space botany investigation

iss075e0226037 (Oct. 16, 2026) --- NASA astronaut and Expedition 75 flight engineer Luke Delaney works inside the International Space Station’s Harmony module on a space botany investigation. Delaney configured petri plates and experiment modules to help researchers observe the genetic responses of plants growing in microgravity, advancing the development of spacecraft life‑support systems.