SpaceX Chief Executive Elon Musk hurled insults at NASA’s acting administrator a day after complaints that the company was behind schedule on its Artemis lunar lander.

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NASA’s acting administrator says he will “open up the contract” SpaceX holds to land astronauts on the moon for the Artemis 3 mission because the company has fallen behind schedule.

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NASA safety advisers say they doubt the lunar lander version of SpaceX’s Starship will be ready to support the Artemis 3 mission as planned in 2027.

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A former NASA administrator told senators he believed it was “highly unlikely” the agency would return astronauts to the moon before China landed astronauts there.

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Blue Origin revealed new details about its development of an Artemis lunar lander as the company nears the first launch of a smaller lander.

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A safety panel is calling on NASA to reassess to plans for upcoming Artemis missions because the agency is packing too many objectives into each mission.

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NASA plans to use cargo versions of Artemis lunar landers under development by Blue Origin and SpaceX to deliver a pressurized rover and surface habitat to the lunar surface in the early 2030s.

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For many of the more than 11,000 participants at the International Astronautical Congress this year, the biggest news of the week-long conference was not anything that took place within the sprawling convention center here but instead more than 9,000 kilometers away.

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NASA Administrator Bill Nelson defended the cost and schedule performance of the agency’s Artemis lunar exploration effort even as officials hinted as the possibility for changes in one upcoming mission.

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NASA says SpaceX is on track to demonstrate in-space refueling of Starship next year, a critical technology for returning humans to the lunar surface using that vehicle.

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SpaceX is planning a more ambitious set of in-flight tests of its Starship vehicle on its next launch to demonstrate capabilities needed for launching satellites and going to the moon.

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Congressional appropriators have released a final fiscal year 2024 spending bill that cuts NASA funding from what the agency received in 2023 while deferring a decision on spending for Mars Sample Return (MSR).

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The two companies with NASA contracts to develop crewed lunar landers are also beginning work on cargo versions of their spacecraft.

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SpaceX expects to conduct the third integrated test flight of its Starship vehicle in February as it works to demonstrate key technologies needed to land humans on the moon.

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NASA is postponing the next two Artemis missions, including the first crewed landing on the moon, by nearly a year to address technical issues that could affect the safety of the astronauts on board.

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Development of a key capability NASA needs for exploration of the moon and Mars is being hindered by limited access to data from companies working on those capabilities.

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The first crewed landing of NASA’s Artemis lunar exploration effort is unlikely to happen before 2027, a report by the Government Accountability Office concluded.

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As SpaceX prepares for its next Starship test flight, a NASA official said that the use of that vehicle for Artemis lunar landings will require “in the high teens” of launches, a much higher number than what the company’s leadership has previously claimed.

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Blue Origin has unveiled a full-sized mockup of an uncrewed version of its Blue Moon lunar lander that will test technologies intended for a crewed version it is developing for NASA’s Artemis effort.

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NASA has growing concerns that the lunar lander version of SpaceX’s Starship vehicle will not be ready in time for the Artemis 3 mission in late 2025, given the amount of work needed to get the vehicle ready.

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NASA selected Blue Origin to develop a second Artemis lunar lander because of technical strengths such as an aggressive schedule of test flights as well as its lower cost.

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NASA has selected Blue Origin to develop a lunar lander to transport astronauts on Artemis missions starting at the end of the decade.

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Not knowing how much NASA spends for a launch or why it picked a particular provider sets an unfortunate precedent that could become more frequent as NASA increasingly adopts commercial practices.

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Teams led by Blue Origin and Dynetics, runners-up in NASA’s first competition to develop a lander to transport astronauts to the lunar surface, have submitted proposals for a NASA competition to select a second lander.

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