An engineer and scientist who spent more than two decades working at NASA’s Jet Propulsion Laboratory before leaving in 2015 will return in July as its new director, the center announced May 2.

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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...