Mars Clay Deposits: Ancient Lakes and Climate Clues
Study reveals Martian clay deposits near ancient lakes, formed 3.7 billion years ago. Lack of tectonic activity impacts CO2 levels and past warmer, wetter climate on Mars. Clay traps chemicals.
Ancient Mars: Water Sea, Coastline & Ferrihydrite Mineral
Evidence suggests Mars may have had a water sea 3.6 billion years ago. The Zhurong rover found a possible ancient coastline. Ferrihydrite mineral required cold, wet conditions, influencing Mars' rusty color.
‘Percy’, NASA’s rover, finds its first hint of ancient life on Mars
A big part of Percy’s mission is to collect samples from interesting rocks for a future spacecraft to later bring home to Earth.