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  Two-thirds of cancer cases due to bad luck: Study

  World | January 03, 2015 11:53 IST

  Washington: The majority of cancer cases can be explained by "bad luck" rather than the result of environmental factors and inherited genes, a US study said on Thursday.The study, published in the US journal Science,

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  World population may hit 11 billion by 2100: UN study

  World | September 21, 2014 8:36 IST

  Washington: The world population may grow larger than previously estimated, reaching 11 billion people by century's end, according to an UN-led analysis.That would mean two billion more people on Earth than expected by 2100, largely

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  Voyager 1 leaves solar system: NASA

  World | September 13, 2013 8:07 IST

  Washington: US space agency NASA said Thursday that its Voyager 1 spacecraft has become the first man-made object to venture into interstellar space.New and "unexpected" data indicated 36 years after it was launched, Voyager 1