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Cosmic Impact May Have Caused Prehistoric ‘Big Freeze’

Posted September 3rd, 2013 at 7:39 pm (UTC-4)
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Scientists say they may have found a link between a dramatic climate shift nearly 13,000 years ago and an asteroid or comet that struck the Canadian province of Quebec. Researchers at Dartmouth College say the comet/asteroid strike took place at the beginning of a global cooling event known as the Younger Dryas stadial or the […]

Living Microorganisms Found High Above Earth

Posted February 1st, 2013 at 8:08 pm (UTC-4)
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Scientists have discovered a considerable number of living microorganisms, including bacteria, in the middle to upper regions of the troposphere, the region of our atmosphere that’s about seven to 20 kilometers above the Earth’s surface. Researchers from the Georgia Institute of Technology said their findings might help other scientists learn more about the role microorganisms […]