Rocks in the River

Scientists are a step closer to reconciling a mystery on Mars, a cosmic oddity centered on Martian rocks and pieces of the Red Planet discovered on Earth.

Skip the gift card or ecard next time you want to send your thoughts and try Stitch, today's first app worth downloading. It lets you add music, images and your own text to your messages, as well as effects that can add motion. In the games department, we've got the role-playing title Sword & Glory, which is all about fighting guys with swords and being remembered through the ages, and Pinball Rocks HD, a pinball title that features tons of great rock songs.