• Asteroids Whack Earth More Often Than Thought

    Updated: 2014-04-22 19:30:00
    An infrasound network detected 26 explosions between 2000 and 2013 caused by asteroids blasting apart in Earth's atmosphere.

  • The 8 Biggest Mysteries of Our Planet

    Updated: 2014-04-22 19:20:00
    More than 40 years after the first Earth Day, many riddles still remain when it comes to our planet.

  • Asteroids cause dozens of nuclear-scale blasts in Earth's atmosphere

    Updated: 2014-04-22 18:00:56
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  • Ancient Plants, Maybe Martian Life, Sealed in Meteor Glass

    Updated: 2014-04-22 13:02:29
    Intense heat during meteor impacts forged tiny bits of glass that trapped fragments of ancient plant life in Argentina. Could the same process have entombed signs of life on Mars? Continue reading →

  • Picture This: Scenes From Earth (April 2014)

    Updated: 2014-04-22 13:00:00
    To kick off Earth Day, check out a snapshot of remarkable moments from around the world.

  • Look Up! Lyrid Meteor Shower Peaks Tonight

    Updated: 2014-04-21 23:36:00
    The Lyrid meteor shower peaks tonight (April 21) and if Mother Nature spoils your 'shooting stars' display with bad weather, you can watch the celestial light show live online with two webcasts.

  • Ancient Rome's tap water heavily contaminated with lead, researchers say

    Updated: 2014-04-21 20:03:00
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  • Corn biofuels worse than gasoline on global warming in short term study

    Updated: 2014-04-20 20:48:09
    $500,000 study paid for by federal government Conclusion: 7% more greenhouse gases in early years Continue reading...

  • International Space Station takes special Easter cargo from SpaceX ship

    Updated: 2014-04-20 15:23:25
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  • Nasa's space station robot to get gangly legs for Easter

    Updated: 2014-04-19 17:33:07
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  • Nasa Kepler telescope discovers planet believed to be most Earth-like yet found

    Updated: 2014-04-17 19:57:00
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  • Sharks more evolved than thought, fossil discovery shows

    Updated: 2014-04-17 06:01:14
    325m-year-old shark ancestor with tiny teeth and fish-like features challenges the predators living fossils status Continue reading...

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