Please confirm you are human

This browser or connection looks automated. Press and continuously hold the control for 3 seconds to enable Google-hosted web results and, when separately allowed, AI-assisted answers.

A successful check enables 100 search requests. Interactive access does not authorize scraping, systematic collection, or reuse of search output.

Hold with a pointer, or hold Space or Enter.

News

Space Daily
spacedaily.com > t-mars-red-dust-ferrihydrite-formed-while-wet

Mars has been called the Red Planet for centuries, but a 2025 study suggests its colour comes largely from ferrihydrite—an iron mineral that typically forms rapidly in cool liquid water. If the identification is correct, Mars did not rust only after becoming a desert: much of its famous red dust formed while the ancient planet was still wet.

1+ week, 1+ day ago   (1584+ words) A 2025 spectral and laboratory study points to hydrated ferrihydrite as the chief pigment in Martian dust, tying the planet's colour to its wetter ancient climate. By Deep Field · Edited by Lachlan Brown Published September 6, 2026 · How we edit From Earth, Mars…...