Earth

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    New research is helping scientists understand fundamental properties of the Earth, such as the spread of sea floors and melting of the outer core.
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    New research shows that the Earth's core is simultaneously melting and freezing due to the circulation of heat in our planet's mantle.
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    A new study is causing scientists to re-think the events that led to the end of a 'Snowball Earth' ice age some 600 million years ago.
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    New visualizations of the Earth from space provide a unique image of how the Earth has changed over the past 750 million years.
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    Observations from ESA's GOCE satellite have provided the best ever map of Earth's gravity. The research could further our understanding of the Earth.
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    Scientists agree, in no uncertain terms, that the Moon did not cause the earthquake in Japan. Understanding the causes and effects of earthquakes is important for astrobiologists who are trying to determine how events on Earth will shape life's future on our planet.
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    The magnitude 8.9 earthquake in Japan was the result of thrust faulting between the Pacific and North American plates. The shift of mass made the Earth's rotation speed up by 1.6 microseconds.
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    By studying meteorites, scientists have discovered new information about how the Earth formed. Studying the early stages of planet formation can help astrobiologists determine how and where to search for habitable planets in the Universe.
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    Long-awaited data collected by ESA's CryoSat mission has now been released to the public. Early results are helping scientists understand circulation in the Arctic Ocean and the links between climate and arctic ice. The data will help astrobiologists understand what is in store for the
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    A change in the Earth´s orbit, many scientists believe, transformed the "Green Sahara" into what is now the largest desert on the planet. While scientists are still trying to find out if the slow shift in orbit had rapid or gradual environmental consequences, they say
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    Chemists have uncovered a chemical reaction that could allow scientists to study the ancient atmospheres of Earth and Mars. The technique could yield clues about past life on Earth - and the potential for past life on Mars.
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    The Earth has plunged into a deep freeze several times in the past, with ice covering the land and sea for millions of years. Researchers are studying how the planet eventually escaped these cold spells, and whether Earth-like planets elsewhere in the galaxy may be
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  • A Late Birth for the Earth and Moon
    The Earth and Moon may have been formed much later than previously believed. Understanding the history and formation of the Earth is important in determining the potential for habitable worlds around distant stars.
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    Four billion years ago, the Sun radiated less energy than it does today. Scientists once believed that greenhouse gases must have helped the Earth stay warm during this time. However, new research shows that the large oceans may have simply absorbed more heat.
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    According to NASA scientist David Morrison, the widespread Internet rumor that the world will end in 2012 due to some astronomical event is a hoax. Dr. Morrison attributes the hype to 'cosmophobia' fueled by fake science websites and people trying to cash in on public
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