All Things Considered

One of the things the Mars rover will look for is organic molecules that could at least indicate whether there was once life on the Red Planet. But if searching for life in outer space is the goal, many scientists now say we might have better luck elsewhere — specifically one of Saturn's moons, Enceladus.

Fighting continued Sunday in Syria between government forces and rebels for control of the country's second city, Aleppo. In another development, rebels say they are holding a group of Iranians, who they accuse of being on a reconnaissance mission in Damascus. Iran says the group comprises pilgrims.

Some people are intimidated by the vastness of classical music. And while the prospect of more than 1,000 years of hits to consider may be daunting, just think instead of how many musical journeys of discovery can be made.