NFL, Military Raise Head-Injury Awareness 300 Parrots Worth $150,000 Stolen in Florida Thieves scaled a fence and broke into backyard aviaries to take birds. Gen. Raymond T. Odierno says collaboration can reduce concussions. Shark Suspected in Myrtle Beach Attacks Four people were bitten in the ocean off the coast of South Carolina. Niagara Falls Before Wallenda Falls display beauty days before Nic Wallenda attempts to cross on a high wire. Maryland UFO Sighting: Military Aircraft Causes Stir A military aircraft was thought to be an alien space ship. Baseball-Sized Hail Falls on Dallas Storm unleashes hail, sends Texas residents running for cover. Flash Mob Wedding Proposal Includes Marching Band Craig Jones proposed to his girlfriend in style at New York City's Bryant Park. 5-Year-Old Saves Girl From Drowning Utah girl saw another young girl struggling and reached underwater to help her. Girl, 11, Rescues Near-Drowning Victim Tennessee girl pulled 12-year-old victim out of pool's nine feet of water. Los Angeles Explosion Kills One, Injures Three Authorities say a gas cylinder blew up at an auto parts store. Texas Man Found Guilty in Neighbor Killing Jury rejects claim that fatal shot protected under "stand-your-ground" law.