Tokyo, Japan (SPX) Oct 10, 2025 Scientists have long debated how much water Mars once held and how it faded to today's arid world. A new study in Geology mines "ice archives" preserved inside impact craters to reconstruct a climate history marked by multiple ice ages, each leaving progressively less ice behind. Led by Associate Professor Trishit Ruj of Okayama University, with colleagues Hanaya Okuda, Hitoshi Hasegawa, a
