When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Even Elon Musk can still be impressed by the size of his company's rockets. The SpaceX CEO ...

Every time Elon Musk and SpaceX manage to land a used Falcon 9 rocket on one of the company’s two droneships, it’s a huge achievement. It’s pretty easy to see that getting anything into space and then ...