Reull Vallis

  • Remnants of 1500 km long river discovered on Mars January 18, 2013

    London: New astonishing pictures by the European Space Agency have revealed a 1500 km long and 7 kilometre wide river that once ran across Mars. The agency's Mars Express imaged the striking upper part of the remnants of Reull Vallis river on Mars with its high-resolution stereo camera, ESA said...