NASA’s overall science budget in the FY25 request is nearly $1 billion less than what the agency expected last year it would have available. While MSR’s problems has attracted the most attention, the pain is being felt across the science mission directorate.

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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...