Mars finding shifts focus to inner planets The Christian Science Monitor

This week, a mechanical geologist the size of a golf cart and nearly 156 million miles away galvanized the world with news that Mars bears unequivocal evidence of once-watery conditions capable of supporting life as we know it. Yet for all the excitement surrounding the discovery, the value of the Mars exploration program may lie as much in what it suggests about the early history of Earth and about the prospects for habitable planets around other stars as it does about Mars.