CAPE CANAVERAL - Space shuttle Discovery is scheduled to begin a 13-day flight to the International Space Station with a launch at 6:21 a.m. EDT on April 5 from NASA’s Kennedy Space Center in Florida.

Discovery’s launch date for the STS-131 mission was announced Friday at the …

CAPE CANAVERAL - NASA postponed space shuttle Endeavour’s launch to the International Space Station on Saturday because of a leak associated with the gaseous hydrogen venting system outside the shuttle’s external fuel tank.

The system is used to carry excess hydrogen safely away from the launch pad. Managers scrubbed the launch …