Astronauts Continue Research on ISS Despite U.S. Government Shutdown

The crew aboard the International Space Station (ISS) is maintaining their rigorous research and operational schedule despite the ongoing U.S. government shutdown. The Expedition 73 team, consisting of astronauts and cosmonauts from multiple space agencies, has continued to conduct vital scientific experiments and perform essential maintenance work during this period.

Scientific Endeavors in Space

This week, the Expedition 73 crew engaged in various research activities. Notably, NASA astronaut Jonny Kim activated the State-of-the-art Humidity Removal in Microgravity Payload (SHRIMP). This device is designed to extract moisture from the spacecraft’s atmosphere, allowing for the reuse of water in the closed environment of the ISS.

Another significant experiment involved the installation of the Heat Transfer Host 2 by fellow NASA astronaut Mike Fincke. This new system studies how condensation occurs when gas turns to liquid, contributing to the development of thermal systems for future deep-space missions. Additionally, Zena Cardman, another NASA flight engineer, installed new sample cassettes for the Advanced Space Experiment Processor-4, which supports pharmaceutical manufacturing in microgravity conditions.

The crew also carried out maintenance to ensure the operational integrity of the ISS. Fincke and Kim worked on the Fluid Science Laboratory, configuring it for experiments related to the physics of fluids in microgravity. This involved replacing electrical cables and assembling components for ongoing research.

Preparation for Future Technologies

As part of their maintenance tasks, Fincke installed the TransAstra Fly Trap Capture Bag Demo into the NanoRacks Bishop airlock. This demonstration aims to test the bag’s ability to remain airtight and functional in the weightless environment of space, potentially offering a new method for capturing and disposing of space debris.

On a related note, Kimiya Yui, a JAXA astronaut, adjusted the specimen handling hardware and configured cables for the Electrostatic Levitation Furnace. This apparatus uses lasers to heat materials to ultra-high temperatures while collecting data on their thermal properties.

As of October 3, 2025, the ISS hosts a total of seven crew members: Expedition 73 commander Sergey Ryzhikov from Roscosmos, cosmonauts Alexey Zubritsky and Oleg Platonov, as well as NASA astronauts Kim, Cardman, and Fincke, along with Yui. The station is also home to several docked spacecraft, including SpaceX’s Dragon “Endeavour,” Roscosmos’ Soyuz MS-27, and multiple cargo vessels.

The ISS has been continuously crewed for an impressive 24 years, 11 months, and 1 day, highlighting its critical role in advancing human space exploration and scientific research.