After 186 days in space on the International Space Station, it is time for European Space Agency astronaut Tim Peake, American Tim Copra and Russian Yuri Malenchenko to return to Earth. But their return is fraught with danger.
India, with its demonstrated capabilities of undertaking low cost high value inter-planetary travel, offers great opportunities for NASA to work with.
Winners of the 2016 National Geographic Nature Photographer of the Year.
