Endeavour hopes to get off the ground after three consecutive scrubs due to weather

NASA is hoping to launch the space shuttle Endeavour Wednesday evening, if showers and thunderstorms don't force the space agency to scrub liftoff yet again. The next launch window for the mission, officially known as STS-127, opens at 6:03 pm Wednesday— forecasters are calling for a 40% chance of bad weather in the vicinity of Florida's Kennedy Space Center at the time. More

(Source: Information Week - Jul 15)