MARSDAILY
mars (5)Reull Vallis: a river ran through it
Paris (ESA) Jan 23, 2013 – ESA’s Mars Express imaged the striking upper part of the Reull Vallis region of Mars with its high-resolution stereo camera last year. Reull Vallis, the river-like structure in these images, is believed to have formed when running water flowed in the distant martian past, cutting a steep-sided channel through the Promethei Terra Highlands before running on towards the floor of the vast Hellas ba … more

MARSDAILY
Possible Clues to Ancient Subsurface Biosphere on Mars
Tucson AZ (SPX) Jan 22, 2013 – The subsurface environment on Mars may hold clues to the origin of life, scientists argue in a recently published research article led by Planetary Science Institute’s Joseph Michalski. A large fraction of the life on Earth may exist as microbes deep underground on our home planet. The same could have been true in the past on Mars. “Recent results produced by several authors using data fro … more