Human spaceflight to enter ‘new era’ with local launch

SpaceX is poised to make history in Florida this week with the first commercial launch of a spacecraft with astronauts onboard. The mission marks the first crewed launch to the International Space Station from the United States since 2011. It also sets the stage for regular trips to and from the space station, as well as NASA's ambitions to return to the moon and explore Mars and beyond. Wednesday's launch is actually a demonstration mission of SpaceX's human spaceflight system to be certified…