Dark, finger‑like marks slide down countless Martian cliffs each year. These stripes have prompted decades of speculation about water still trickling across the Red Planet. A new analysis of 500,000 of these features shows that they form through avalanches of dry dust, report Valentin Tertius Bickel of the University of Bern and Adomas Valantinas of Brown University. Why the Martian …
Read More »Neither water nor life created the mysterious Martian stripes
