Bob Smith, chief executive of Blue Origin, will resign from the company in December and be replaced by Dave Limp, the Amazon executive who had been overseeing development of its Project Kuiper constellation.

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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...