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Kaushik Mitra

Photo of the surface of Mars.
Posted inEditors' Vox

A Double-Edged Sword: The Global Oxychlorine Cycle on Mars

by Kaushik Mitra 10 February 202610 February 2026

Global detections of oxychlorine salts reveal a complex, 4-billion-year chemical cycle on Mars. They can act as de-icing agents, oxidants, a hazard and a vital resource for future human exploration.

Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

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