Saturn’s moon Enceladus is producing phosphorus, meaning that this icy moon holds all the essential building blocks for life as we know it.
Every life form on Earth contains six key elements: carbon, hydrogen, nitrogen, oxygen, phosphorus and sulphur. The known existence of these, bar phosphorus, on Enceladus, combined with a liquid ocean and a warm core, had already made the moon one of the most likely places for life …