Lucy and Psyche
NASA's Lucy mission (left) will visit a series of Trojan asteroids while Psyche (right) will visit a metallic asteroid of the same name.

NASA has selected two missions to asteroids in the latest round of its Discovery planetary science program, a move that NASA says puts the program back on track after a recent drought of missions.

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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...