A study suggests Mars takes its red hue from a type of mineral that forms in cool water, which could reveal insights about whether Mars was ever able to support life.

MIT spinout Boston Metal has powered up its electricity driven steel production reactor and made over a ton of metal in a ...

Scientists once believed our planetary next-door neighbor got its rusty hue from hematite, a common iron ore known for its ...

Their alternating rust- and gray-colored bands are evidence ... iron formations -- the primary source of today's global iron ore supply. From the 600 trillion tons of iron ore present today ...