Russian space officials are to select the winning proposal for a new rocket intended to carry cosmonauts on missions to the Moon.
This will mark the first time since 1964 that the Russian space programme has made the Moon its main objective.
It will be only the second time since the collapse of the Soviet Union that Moscow has endorsed the development of a new space vehicle.
More: http://news.bbc.co.uk/2/hi/science/nature/7946689.stm