Moon Race 2.0: Why so many nations and private companies are aiming for lunar landingsMoon Race 2.0: Why so many nations and private companies are aiming for lunar landings External linkFive decades on from the last of the Apollo missions, the Moon is once again a target for space exploration. But Nasa no longer has lunar exploration to itself. The number of astronauts who walked on the Moon hasn't changed in over 50 years.Tagsmoonspace travelContent typeLINK