New Giant Volcano Discovered on Mars: Hidden by Erosion, Revealed by Science
However, as with all other volcanoes on Mars, there are no signs that it is currently active. Astronomers estimate that the volcano formed here more than 3.7 billion years ago, and has erupted occasionally since then, most recently perhaps “only” 10 million years ago But Mars was once a volcanically very active world, with many … Read more