According to the May cover story in Geology, it's looking like there may have been more water on Mars more recently than is generally concluded. A lot more.
To quote:
After examining . . . images taken last year by the Mars Reconnaissance Orbiter, the researchers have documented for the first time that ice packs at least 1 kilometer (0.6 miles) thick and perhaps 2.5 kilometers (1.6 miles) thick existed along Mars' mid-latitude belt as recently as 100 million years ago. In addition, the team believes other images tell them that glaciers flowed in localized areas in the last 10 to 100 million years[.]
And if there was that much more that much more recently, that ups the odds that there is still more there now.
I'm sure as the dickens interested.
-Rustin
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