Launch of Discovery delayed

Discovery on the launch pad at Cape Canaveral, Florida.

U.S. National Space Agency (NASA) to delay the launch of space shuttle Discovery, at least one day, having found that nitrogen and helium leak in the plane.
The launch was scheduled for Monday, but NASA now says the launch will be the quickest on Tuesday.
11-day shuttle mission that will carry astronauts to the International Space Station, as well as delivering the final modules for the U.S. portion of the orbiting laboratory. The module will provide additional space for research and storage.
Originally the mission was scheduled for September, but postponed after several important machine is not ready in time.
The delay forced NASA to change the last space shuttle mission scheduled for launch next February. The mission will involve the shuttle Endeavour.