Deadly Oklahoma Tornado Aftermath: Photos

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Deadly Oklahoma Tornado Aftermath: Photos         Local residents count the cost after a deadly tornado flattened huge areas of Oklahoma City's suburbs on Monday. Read More WATCH VIDEO: Planets Shed Light on Earth's Weather Using the other planets as weather labs, meteorologists get a feel for how things work on Earth. Curiosity Drills Into Second Mars Rock         NASA's Mars rover Curiosity has drilled into another rock and plans are afoot to analyze the pulverized material. Read More WATCH VIDEO: Martian Methane We've discovered the source of methane on Mars -- so what's the big deal? How Kepler Could Die and Keep Finding Planets         If the planet-hunting space telescope can't be saved, scientists expect it already has accomplished its goal of finding a habitable, Earth-like planet. Read More WATCH VIDEO: 3 Questions: Exoplanets What does it take to find a planet 63 light years from Earth? Why Penguins Forgot How to Fly         The birds evolved into diving hunters and the need for flight lessened. Read More WATCH VIDEO: Cool Jobs: Antarctic Penguin Researcher What's it like to study penguins in Antarctica -- and how do you survive the cold? 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 © 2013 Discovery Communications, LLC