Ancient Mega-Floods Once Ripped Across Mars and Left This Giant Scar

Ancient floods once ripped across Mars, carving the massive Shalbatana Vallis channel and reshaping the planet’s surface. New Mars Express images reveal a chaotic landscape of craters, lava, and collapsed terrain that may hold clues to a lost Martian ocean. ESA’s Mars Express mission is highlighting Shalbatana Vallis this month, a striking Martian valley shaped [...]