Watch the Falcon 9 launch from pad 39A

SpaceX called off a launch attempt in Texas Monday for the Super Heavy booster and Starship launch vehicle, blaming a bad valve on the first stage. The next launch attempt for the world’s largest rocket is scheduled for Thursday, depending on weather and a fix for the valve problem.

Mike Suffredini, manager of NASA’s International Space Station program, is stepping down after 10 years overseeing the lab’s final assembly and transition to post-shuttle operations, the agency said Wednesday. Kirk Shireman, deputy director of the Johnson Space Center, will take over as program manager.

The International Space Station crew reaches out with the Canadian robotic arm and grabs the Cygnus OA-6 commercial cargo ship filled with 7,485 pounds of supplies, food and science gear.