An airspace closure notice published by the Federal Aviation Administration Dec. 9 suggests Blue Origin is preparing to resume test flights of its New Shepard suborbital vehicle after a hiatus of more than a year.

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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...