Until the air leak detected on the ISS' Russian segment is resolved, NASA has opted not to send any other people to dock at the station.

NASA indefinitely delayed a four-person crew's mission to the International Space Station on Thursday over an escalating probe into air leaks aboard the orbiting laboratory's Russian segment. The U.S.

A chartered spaceflight for India, Poland and Hungary's first astronauts in decades has been delayed indefinitely because of leak concerns at the International Space Station.