"First evidence of a shoreline on the red planet"
By Laura Snider
Wednesday, June 17, 2009
BOULDER, Colo. — Astronomers at the University of Colorado have, for the first time, found definitive evidence of an ancient lake on the surface of Mars.
Scientists have found gullies, canyons, channels and deltas on the surface of the planet, all of which hint at a watery past when rivers may have cut through the red dirt on Mars. But until now, no shorelines had been found.
CU scientists discover ancient Martian lake
I've not read the journal article yet, but it shore looks interesting.