Live coverage: International crew lands in Kazakhstan

Northrop Grumman’s Cygnus supply ship set for liftoff Saturday will deliver to the International Space Station the final hardware for a series of ambitious spacewalks later this month to install a new coolant system on the Alpha Magnetic Spectrometer, a $2 billion particle physics experiment seeking the cosmic signatures of dark matter and antimatter.

Four days after a picture-perfect blastoff from southern Japan, a cargo-carrying supply freighter arrived at the International Space Station on Tuesday with 4.5 tons of equipment, food, clothing and experiments.

The Soyuz MS-07 spacecraft carrying U.S., Russian and Japanese space fliers returned to Earth on Sunday with a parachute-assisted, rocket-cushioned touchdown on the Kazakh steppe after 168 days in orbit.