Measurement of Core Temperature and Thermoregulatory Responses during and after Spaceflight in Astronauts

NASA’s Human Research Program is seeking information on validated, non‑invasive methods to measure core body temperature and thermoregulatory responses in astronauts before, during, and after spaceflight. The solicitation asks for recommendations on technologies suitable for low‑Earth orbit, lunar, and Mars missions, including approaches for continuous monitoring, exercise testing, and re‑entry scenarios. Responses should include methodology, rationale, and any relevant analog data sources. This is a source‑sought RFI; no contract is awarded at this stage, but the information will inform future NASA acquisition strategies. • Targeted for ISS operations through 2032 with possible extension to commercial and Artemis missions. • Emphasis on non‑invasive sensors (e.g., “double sensor”) and validation against gold‑standard measures. • Applicants should address hardware constraints, power, stowage, and autonomous operation. • Deliverables are written recommendations; no funding is guaranteed.