(ScienceDaily) Mars: Evidence of water flows at ancient impact crater endeavour

By , Posted 05/04/12

Link: http://www.sciencedaily.com/releases/2012/05/120503142422.htm

Evidence of ancient water at a Martian crater is the latest in a long series of discoveries by a surprisingly long-lived Mars Exploration Rover Opportunity. The latest discovery was made at the rim of the Endeavour Crater, a large ancient impact crater on Mars measuring 14 miles in diameter.