Iron is the main ingredient in various forms of iron and steel, but the various types of metals contain other elements as well. Sometimes these elements are unwanted; other times they're intentionally ...

Four and a half billion years ago, after Earth’s fiery birth, the infant planet began to radically reshape itself, separating into distinct layers. Metals — mostly iron with a bit of nickel — fell ...

Design by Evelyn Mousigian. Buy this photo. Transition metals encompass a class of elements vital to the basic functions of all living organisms. Many of the enzymes aiding in the production of energy ...

Scientists say a mysterious type of iron-rich magma entombed within long dormant volcanoes is likely packed with the in-demand elementsAccording to a new study, extinct volcanoes could be a “rich” ...

What was iron doing at life's birth? : life without oxygen -- Catastrophe : the arrival of oxygen -- Grabbing and storing : controlling iron -- The smallest living magnets : avoiding oxygen -- ...

A new review published in Environmental and Biogeochemical Processes reveals how tiny iron oxyhydroxide nanoparticles, among the most abundant nanoparticles in soils and water, form and interact with ...