Where do elements come from? In the blazing hot hearts of stars, lighter elements combine to form heavier elements through nuclear fusion. It’s believed to be the source of all elements up to iron, with elements heavier than iron originating from supernovae — the explosive deaths of stars. However, researchers suggest that some elements could come from within the Earth itself. Theoretically, some fusion could occur within the inner mantle of the Earth, where extreme pressure and temperatures create a suitable environment. Read full article here
