Because the cost of fuel is much less compared to the cost of building a rocket from scratch every time, Musk and his team are trying to master reusable rockets so they can get closer to their ...

At last report, we still had four separate entities in the running to build space stations to replace ... test-flew its first orbital-class rocket, the New Glenn, earlier this month.

Read full article: Jeff Bezos’ space company calls off debut launch of massive new rocket in final minutes ... is newly built from scratch. With a new system, testing on the ground only goes ...