Limited access to iron at high ocean temperatures may harm coral resistance to a warming ocean, a new study shows.

The availability of iron in increasingly acidic oceans could change how creatures like mussels make their adhesives, research finds.

A new study suggest's that Earth's core has been leaking iron, potentially for billions of years.

Researchers may have found a new way to stop the bacteria that cause tuberculosis. It could lead to new drugs to fight the disease.

Biofortification of wheat shows promise for addressing "hidden hunger," a lack of essential vitamins and minerals in the human diet.

"It's sort of a bizarre thing to think about. You have crystals within the outer core snowing down onto the inner core..."

The density of the metallic asteroid Psyche has mystified scientists, but a new theory points to molton iron as an explanation.

Understanding more about how a microorganism produces methane and carbon dioxide could help scientists cut greenhouse gases in the atmosphere.

"Iron from hydrothermal vents can well up, travel across hundreds of miles of open ocean, and allow phytoplankton to thrive in some very unexpected places."

Why some icebergs look emerald green instead of bright blue has mystified scientists for decades. Now they may have an answer.