Hidden Clues in Spirit Rover Data Suggest Mars Once Had Far More Water than Scientists Realized
A new look at more than two decades’ worth of archival data from NASA’s Spirit mission suggests that…
Clay minerals suggest a warm, wet past for Mars – Sciworthy
Most people think of Mars as a big red dustball, but researchers recently found Martian mineral deposits suggesting…
Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars
A continent-like shelf beneath the Martian surface hints that a vast ocean once covered up to a third…