As SpaceX prepares for the test flight of its Starship vehicle, NASA is closely watching as it waits for the company to achieve the next milestones on development of the lunar lander version of the vehicle.

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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...