Artemis astronauts engage in lunar surface operations a short distance from a generic lander and rover in this NASA artist’s concept.

The Senate is moving forward with a revised version of a NASA authorization bill that formally authorizes the agency’s Artemis lunar exploration effort and extends operations of the International Space Station.

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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...