After more than four-and-a-half decades of co-operation between the United States and Russia in space, tensions over Ukraine threaten to compromise the future of the International Space Station (ISS).
On Thursday, Russia’s space agency Roscosmos tweeted that they will no longer co-operate with Germany on joint experiments on the Russian section of the station.
Dmitry Rogozin, the head of Roscosmos who is known for his brash statements, has warned on Twitter that if Russia pulls out, the station could fall uncontrollably out of orbit and come down over populated areas such as China or India.
It’s not an entirely empty threat. Even though the
