Jarosite is a yellow-brown mineral that contains potassium, iron, and sulphate — and researchers have found it could serve as ...

NASA’s Curiosity rover has spotted carbon-containing minerals that can tell scientists more about what ancient Mars’ ...

For decades, scientists believed that Mars’s famous red hue came mainly from hematite, a dry iron oxide mineral. However, a ...

Perseverance discovers egg-like spherules in a Mars rock, now NASA is forming a strategy to investigate this in more detail.

NASA’s Perseverance rover is discovering a treasure trove of diverse ancient rocks on Jezero Crater’s rim, some possibly ...

wetter early Mars. The rover also found iron oxyhydroxide minerals that suggest some of these rocks later dissolved when they encountered water, releasing a portion of their carbon dioxide back ...

“Mars is known as the Red Planet, and the reason for that is that a lot of iron oxides are there, and iron oxide is something that we are concerned about for the health of humans,” says Wang. In ...

VE Day 80th anniversary: William and Kate among royals at Westminster Abbey service as national two minute silence held Pudding for breakfast? Latest internet fad is a dream for those with a sweet ...

Siderite is an iron carbonate mineral. Its presence in sedimentary rocks formed billions of years ago offers evidence that Mars once had a dense atmosphere rich in carbon dioxide, a gas that would ...