With utilization of the ISS reaching a maximum, and with its long-term future uncertain, a recent report recommends that NASA develop transition plans and make use of alternative platforms, including commercial vehicles, to carry out critical microgravity research.

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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...