Scientists cracked a Martian mystery by finding ferric hydroxysulfate. The mineral shows Mars once had heat and water.

Scientists solve a 15-year Mars mystery, confirming ferric hydroxysulfate formed by volcanic and hydrothermal heating across ...

Scientists have discovered that the mineral jarosite breaks down organic compounds when it is flash-heated, with implications for Mars research. Jarosite is an iron sulphate and it is one of several ...