SpaceX launched its 20th rocket of the year just two days after lofting a record 64 satellites into orbit. On this flight, a brand-new Falcon 9 hoisted a Dragon spacecraft into orbit, bound for the International Space Station. But unlike Monday’s textbook touchdown, today’s landing didn’t quite go as planned. The Falcon’s first stage, the largest and most expensive portion of the rocket, was expected to navigate itself back to land after launching the Dragon spacecraft.

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