Russian officials are expressing doubts about the American-led Lunar Gateway — which would orbit the moon — while deepening cooperation with China on deep-space exploration projects that could include a crewed base on the surface of Earth’s closest neighbor. SpaceNews reports that Dmitri Loskutov, head of Roscosmos’ international cooperation department, laid out a series of concerns during a panel discussion last week at the International Astronautical Congress in Bremen, Germany. […]