The launch of the world's most powerful rocket on its test flight to the moon's orbit has been postponed, after scientists discovered a hydrogen leak on board.
The Artemis 1 could now lift off from Cape Canaveral on Friday, after missing its launch window today.
The launch had been delayed by organisers during the fuelling process, just 40 minutes before the scheduled take-off, after a liquid hydrogen leak was discovered.
NASA said: "Launch director Charlie Blackwell-Thompson has called a scrub of the attempt of the launch of Artemis 1.
"The issue that came up was an engine bleed which couldn't be r...
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