SpaceX Starship rocket explodes on landing after test flight

SpaceX's Mars rocket Starship exploded on return landing following a test flight on Wednesday.

"Fuel header tank pressure was low during landing burn, causing touchdown velocity to be high & RUD, but we got all the data we needed! Congrats SpaceX team hell yeah!!," SpaceX's chief executive officer, Elon Musk, said in a tweet.