NASA and Russia's space agency said Wednesday that they're planning to send up an uncrewed Soyuz spacecraft to the International Space Station to replace the one that sprung a leak in December.

Two cosmonauts were preparing to float outside the International Space Station Wednesday for a planned spacewalk when Russian flight controllers noted what appeared to be a significant coolant system ...

MOSCOW (AP) — A Soyuz capsule carrying two Russians and one American from the International Space Station landed Sunday in Kazakhstan, ending their seven-month research assignment. According to ...

The Soyuz 2.1a booster rocket with the Soyuz MS-28 spacecraft on the launch pad prior to the upcoming launch with the next International Space Station (ISS) crew, at the Baikonur Cosmodrome, ...

A leak in a Soyuz capsule docked to the International Space Station is causing temperatures in the spacecraft to rise but is not putting the crew in any danger, according to the Russian space agency ...