Russia reports coolant leak at space station  AP ArchiveNASA Analyzing Space Station Coolant Leak: Spacewalks Rescheduled  SciTechDailyAmmonia leak on Russian section of International Space Station 'has now ceased,' but astronauts remain cautious  Livescience.comRussia reports coolant leak in backup line at International Space Station  AP ArchiveNASA Delays Spacewalks Due to ISS Coolant Leak  Gizmodo