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The Center for the Advancement of Science in Space (CASIS), which operates the national lab portion of the ISS, argues it's making progress in increasing utilization despite a critical report by NASA's Office of Inspector General and long-term concerns about the station's future.

The head of the organization that manages the national laboratory portion of the International Space Station will leave next month as it deals with an uncertain long-term future for the station.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...