sâmbătă, 26 iunie 2010

Water on Mars first discovered 10 years ago. Is it still there?

- Ten years ago this week, news from Mars made a huge splash on Earth — water might still flow on the surface of the red planet. That news, announced by NASA, hinged on photos of newfound gullies etched across the Martian surface, and a decade of other water-on-Mars discoveries ensued. Yet even 10 years later definitive proof of flowing Mars water remains elusive. Full story: