Space shuttle launch scrubbed again over gas leak

NASA postponed the launch of the space shuttle Endeavour early Wednesday because of a liquid hydrogen leak. It is the same type of leak that caused the postponement of an earlier launch from Kennedy Space Center in Florida. On June 13, a leak was detected in the gaseous hydrogen venting system outside the shuttle’s external fuel tank, the space agency said

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Space shuttle Discovery on pace for Sunday launch

The space shuttle Discovery is on pace for a Sunday launch after NASA engineers repaired a leaky gas venting system, officials said Saturday. The leak had canceled a planned launch on Wednesday. NASA hopes the seven-member crew can take off around 7:40 p.m.

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