The MS-25 mission was scrubbed on Thursday, but the root cause is still under investigation. The earliest that liftoff from the Baikonur Cosmodrome can now occur is Saturday, March 23, pending the outcome of the investigation.
NASA has ordered four additional launches to deliver cargo to the International Space Station in 2017 — three from SpaceX and one from Orbital ATK — to cover the research lab’s logistics needs until a new set of resupply contracts take effect.
Three space station fliers — the outgoing NASA commander and two Russian cosmonauts — undocked and returned to Earth Wednesday, ending a 167-day stay in space with a communications blackout that left the crew out of contact with flight controllers during much of the trip home.