Viewpoint: The Two Pillars of NASA

We are at a pivotal period in defining NASA’s future. In the current debate about redirecting U.S. civil space activities, it is important to keep this in mind: Both human space exploration and space science are fundamental to that future. The partnership between human spaceflight and space science programs flourishes when their mutual interests are not just simply aligned, but when they find ways together to build on their respective strengths ...