Big Bang's Smoking Gun Found

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Big Bang's Smoking Gun Found         For the first time, scientists find direct evidence of the expansion of the universe. Read More WATCH VIDEO: A Brilliant Planetary Alignment Three planets in our solar system do a rare, celestial dance! Who Was St. Patrick?         The truth is, much of Saint Patrick's life is a mystery. Read More WATCH VIDEO: 5 Surprising Uses for Gold Check out these alternative uses for gold you might not have known. AirBlade Creates Life-Sized Air Hockey Rink         From the arcade to the arena, air hockey is getting a big upgrade as it vies to become a new extreme sport. Read More WATCH VIDEO: All About the Physics of Curling We talk to the pros about the science of pushing rocks down ice. 3 Weird Frog Discoveries         From birthing offspring in their stomach to finding a frog smaller than a dime, learn about three recent weird frog discoveries. Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2014 Discovery Communications, LLC