CONFIRMATION OF WATER IN MARS SURFACE

A new paper by Laurie Leshin of the Rensselaer Polytechnic Institute in New York describes findings by the Mars Curiosity Rover instruments of water in the Martian surface.
http://www.bbc.co.uk/news/science-environment-24287207

Curiosity has travelled 400 metres from the touchdown site in Gale crater. Instruments have now recorded ~ 2% water vapour present in the dusty red covering over the Martian surface.