During its recent exploration of the crater rim, Perseverance diverted to explore a strange, scattered field of bright white ...

The left frame has conventional colours. The right frame has been colourised to illustrate the preponderance of olivine (red) and two types of pyroxene (green and blue) The scientists' immediate ...

Seawater seeps down into the mantle and heats up. As the seawater hits the minerals, the olivine and pyroxene within the periodite turn into serpentine minerals and produce hydrocarbons.