This September 17, 2006 NASA file photo shows t he International Space Station over a blue and white Earth shortly after the US Space Shuttle Atlantis undocked from the orbital outpost. The crew of the International Space Station (ISS) on May 9, 2013 detected an ammonia leak from a cooling system that do poses no danger to the astronauts or the Station, NASA said. AFP photo
Russia and the United States are planning later Friday to discuss a "very serious" ammonia leak outside the International Space Station, said Vladimir Solovyov, flight director for the Russian segment of the space station.
