Clay Minerals

Kaolinite Iron-rich Clay Smectite Iron-rich Clays Mars Clay Deposits Subsurface Analysis Feldspar Illite Olivine

Lucy Reveals Peanut-Shaped Asteroid That Wobbles on Two Axes

Infrared spectra point to iron-rich clays that record past liquid water exposure, with scientists treating sunlight-driven YORP torques as the leading explanation for the slowed tumbling.

7 ARTICLES

last mo.

Lucy Flyby Shows Peanut‑Shaped Asteroid Is Water‑Altered Fragment of Ancient Collision

5 ARTICLES

7mo ago

Perseverance Finds Kaolinite in Jezero, Pointing to Long-Lived Rain on Ancient Mars

4 ARTICLES

7mo ago

Perseverance Links Jezero’s White Clays to Rainfall on Ancient Mars

3 ARTICLES

8mo ago

New SHARAD Readings Weaken Mars South Pole ‘Subglacial Lake’ Claim

3 ARTICLES

last yr.

Perseverance Rover Finds Clay Minerals in ‘Kenmore’ and Sets New Autonomous Drive Record

10 ARTICLES

last yr.

Mars' Missing Atmosphere May Be Trapped in Planet's Clay