Earth

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    New research shows that Earth's atmosphere flipped between 'organic haze' and a 'haze-free' environment prior to the oxygenation of our planet. The study could help astrobiologists understand how our planet's climate and biosphere evolved over time.
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    A new study shows that salty soils in Antarctica suck moisture out of the atmosphere. If a similar process occurs on planets like Mars, it could have an impact on their potential habitability.
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    A new study may help scientists understand the events that brought about Earth's "Little Ice Age."
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    A team of scientists has successfully plotted changes in the Earth’s axis through laboratory measurements.
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    A circulation model of Earth's climate some 2.8 billion years ago indicates that the planet may have been more prone to catastrophic glaciation than previously believed.
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    Earth's magnetic field has flipped its polarity many times throughout history. Based on geologic and fossil records, it seems that such a polarity reversal would have no dramatic effects for life on Earth.
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    Scientists know that the liquid outer core of the Earth consists mostly of iron, but the other elements present remain unknown. New research shows that oxygen is not present in the outer core.
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    Earth's geological record holds clues about supervolcano eruptions that may have had profound effects on the evolution of life. However, there is no evidence that such a supereruption is imminent.
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    Measurements from NASA's Terra spacecraft have been used to improve the most complete digital topographic map of Earth.
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    A new study demonstrates how salty water and gases transfer from the atmosphere into the Earth's interior. The research provides new insight into the evolution of our planet. Studying the physical processes of Earth can help astrobiologists understand what makes a planet habitable.
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    New research shows that oceanic crust can make its way right down to the lower mantle (deeper than 660km) and then be transported back to the surface.
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    Now on its way to Jupiter, NASA's Juno spacecraft has taken time to capture images of Earth and the Moon.
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    Prior to the 'Great Oxidation Event', when Earth's atmosphere became rich in oxygen, reserves of the gas may have been stored in the oceans. The evidence of 'oxygen oases' in the oceans can be seen in tiny aerobic organisms that evolved to survive on extremely
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    Using measurements from space, scientists have confirmed that, although the surface of the Earth is constantly changing, the planet is not expanding.
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    New research shows how the Earth's tides have changed dramatically over thousands of years - and may change again in the future.
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