The latest stories from the World section of the BBC News web site.
Updated: 5 min 58 sec ago
The illegal party drug, ketamine, is an "exciting" and "dramatic" new treatment for depression, say doctors who have conducted the first trial in the UK.
A long-lost masterpiece of British silent cinema is discovered in the Netherlands, almost 90 years after it was last seen.
Scientists digitally reconstruct the scene of a dinosaur chase - preserved in the mud of an ancient river bed in Texas.
A statue of the iconic movie star Marilyn Monroe has been dismantled in California, to the surprise of tourists.
A new higher GCSE grade will identify England's most talented pupils, and grades will be linked to international tests under proposals from the exam regulator.
How US energy independence could change the world
Chelsea boss Jose Mourinho says some of his side's defending was "a joke" in their 3-1 Champions League defeat by PSG.