Live coverage: International crew lands in Kazakhstan

NASA astronauts Bob Behnken and Doug Hurley completed their final training sessions in Houston this week before their scheduled May 27 liftoff on a SpaceX Dragon spacecraft from the Kennedy Space Center, the first launch of humans from the Florida spaceport since 2011.

Kirk Shireman, NASA’s program manager for the International Space Station, is retiring from the space agency later this month to take a position in private industry.

Blue Origin, the rocket company owned by Amazon-founder Jeff Bezos, has won a $3.4 billion NASA contract to build an Artemis lunar lander that will provide a downstream alternative to the Starship variant already being developed by SpaceX, the agency announced Friday.