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NASA set to roll Artemis rocket back for urgent repairs a...
Patrick Pester · 2026-02-23 · via Latest from Live Science in Space-exploration
A photo of the Artemis II rocket sitting on a launchpad at Kennedy Space Center in Cape Canaveral, Florida, at sunset.

The Artemis II rocket is sitting on a launchpad at Kennedy Space Center in Cape Canaveral, Florida.

(Image credit: Miguel J. Rodriguez Carrillo / AFP via Getty Images)

Editor’s note: This story has been updated to include a NASA announcement that Artemis II's targeted rollback will now be on Wednesday (Feb. 25), a day later than initially planned, due to windy weather.

NASA has delayed its historic Artemis II lunar mission again after the space agency's moon rocket experienced a helium flow issue overnight Friday (Feb. 20-21).

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Patrick Pester

Patrick Pester is the trending news writer at Live Science. His work has appeared on other science websites, such as BBC Science Focus and Scientific American. Patrick retrained as a journalist after spending his early career working in zoos and wildlife conservation. He was awarded the Master's Excellence Scholarship to study at Cardiff University where he completed a master's degree in international journalism. He also has a second master's degree in biodiversity, evolution and conservation in action from Middlesex University London. When he isn't writing news, Patrick investigates the sale of human remains.

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