Austrian daredevil Felix Baumgartner has become the first human to break the sound barrier by a freefall jump from the edge of space. Baumgartner, 43, leaped off a capsule more than 39 kilometers above the earth with his speed reaching 834 miles (about 1,342 kilometers) per hour, or 1.24 times the speed of sound, on Sunday. He jumped from an altitude of 39,045 meters and landed in the New Mexico desert...