Leaks are affecting a key part of the International Space Station. NASA and Russia’s space agency, Roscosmos, are not seeing eye to eye about the level of risk.

In September, NASA's inspector general noted in a report that new cracks and leaks affecting the Russian segment of the aging International Space Station continued to be a "top safety risk." The leaks,

NASA and Russian officials disagree on the cause of a worsening leak on the ISS, raising safety concerns for astronauts.

NASA has concerns about the structural integrity of the Russian module and the "possibility of a catastrophic failure," per ISS Advisory Committee chair Bob Cabana