NASA will look to industry to build the spacecraft bus for the Asteroid Robotic Redirect mission spacecraft (above).

NASA has decided to push back the launch of the robotic part of its Asteroid Redirect Mission (ARM) by a year to late 2021 to allow for more time for studies of the mission concept and its key technologies.

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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...