Study: Mars crater wetter than thought, had water tracks in the last million years

Mars is thought to have had a watery past, but when exactly it transitioned to its dry and dusty present is up for debate. Now, though, a team of scientists studying the marks on a young Martian crater has found signs that waterlogged debris flowed down the Red Planet's slopes surprisingly recently - within...

via L.A. Times - Science http://ift.tt/1NhbVRw