Falcon 9

Live coverage: SpaceX scrubs launch of four-man crew to space station

SpaceX called off the launch a Falcon 9 rocket and Crew Dragon spacecraft at 1:45 a.m. EST (0645 GMT) from NASA’s Kennedy Space Center in Florida to evaluate an issue with the system used to ignite the rocket’s main engines. When it takes off, the mission will send two NASA astronauts, an Emirati astronaut, and a Russian cosmonaut on a six-month mission on the International Space Station.

Mission Reports

Live coverage: Replacement Soyuz arrives at space station

Two months after a coolant leak disabled a Soyuz crew ferry spacecraft at the International Space Station, Russia’s space agency launched of a replacement vehicle from the Baikonur Cosmodrome in Kazakhstan Thursday, and the craft docked at the station at 7:58 p.m. EST Saturday (0058 GMT Sunday). The Soyuz MS-23 spacecraft launched without any people on-board, and will serve as a lifeboat and ride home for a three-man space station crew later this year.