An 18-tonne piece of a Chinese rocket used to launch an experimental spacecraft that could send people to the Moon has crash-landed in the Atlantic Ocean. The core stage of the Long March 5B rocket that was sent into space on May 5 fell to Earth at 16:34 BST on Monday, just off the coast of West Africa. Astronomers say the rocket part, which was 93ft long and weighed 17.8 ...