As the race to space heats up, the top space stocks to buy are delivering high returns. In the last few years, the commercialization of space has reached new highs with governments investing heavily in commercial space assets. Exploring all that space has to offer is becoming more common than ever before. And it has some envisioning the possibility of life on Mars! Given the increased interest in space travel, companies leading the charge are experiencing explosive growth. This has served as a boon for inve ...