NASA was expected to select a company this spring to proceed into full development of a crewed lunar lander but budget setbacks and a change in administration could alter those plans.

NASA has released a request for proposals for a second human lunar lander for the Artemis program to join the Starship lander under development by SpaceX.

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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...