SpaceX's Last Rocket Ran out of Fuel While Trying to Land

It's hard to pull off a rocket landing when the liquid oxygen runs dry.

SpaceX uses some impressive thrust vectoring to orientate their Falcon 9 rockets so they reenter the atmosphere with the bottom facing the Earth, and then they continue to fire thrusters to stabilize the rocket during a reentry burn that slows the rocket booster down enough to land on something similar to a floating helicopter pad. But when the liquid oxygen fuel runs dry and the engines cut out, the massive first stage is just going to come crashing down. 

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