A detailed analysis of rocks in the shallow crater where the rover has been studying the Red Planet's geology indicates the formations were shaped by gently flowing salt water, indicating the area was probably once the coastline of an ocean, scientists said.
This will provide the impetus to continue looking for evidence of life on Mars.
UPDATE: Kevin Aylward believes this puts us one step closer to the roots of Marvin the Martian.
UPDATE II: Smash wonders about Marvin, too.
