Science | NASA NASA Scraps Endeavour Launch Tomorrow Unsure when next opportunity will come By Polly Davis Doig Posted May 1, 2011 10:01 AM CDT Copied Endeavour's crew, clockwise from left, Greg Johnson, Roberto Vittori,, Greg Chamitoff, Drew Feustel, Mike Fincke, and Mark Kelly, just before the launch was scrubbed, Friday, April 29, 2011. (AP Photo/John Raoux) NASA has scrapped tomorrow's tentative launch of space shuttle Endeavour, reports Space.com, saying that it needs more time to fix the broken auxiliary power unit that delayed the launch on Friday. "We're looking more toward the end of the week, maybe next weekend," says a NASA spokesman. "We won't know until tomorrow when our next launch opportunity is." The power unit is in a difficult-to-access section of the shuttle. Read These Next Multiple people have been shot at a Mormon church in Michigan. North Carolina shooting suspect once walked the red carpet. The gunman who killed 4 at a Michigan church was an ex-marine. The latest mass shooting in the US took place from a boat. Report an error