Citing medical reasons, Russia’s space agency announced Wednesday that it is replacing two cosmonauts who were scheduled to fly on the next Soyuz mission to the International Space Station in April with backup crew members.
Virgin Galactic’s second SpaceShipTwo rocket plane glided to a runway landing after dropping from its carrier aircraft over California’s Mojave Desert on Saturday.
A Soyuz booster set for liftoff Wednesday with a Russian cosmonaut, a German flight engineer, and a former NASA flight surgeon heading for the International Space Station arrived at its launch pad in Kazakhstan Monday.