A spherical U.S. Navy spacecraft the size of a beach ball spring-ejected from a new satellite deployer outside the International Space Station last week, debuting a fresh way for low-budget space missions to reach orbit.

An impromptu repair job Thursday appears to have stopped a leak in a Russian Soyuz spacecraft docked to the International Space Station, and the crew was back on its normal schedule Friday carrying out research and making preparations for the arrival of a Japanese cargo ship next month.

Peggy Whitson, America’s most experienced astronaut with nearly two years in orbit over three missions, returns to Earth Saturday after an extended 288-day stay aboard the International Space Station, landing on the steppe of Kazakhstan with Soyuz MS-04 commander Fyodor Yurchikhin and NASA flight engineer Jack Fischer.