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Why These Strange, Reclusive Arachnids Fled Underground in Evolutionary WavesWhen Australia got too hot and dry, which killed off forests, these woodland creatures decided to live underground.
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Scientists Create Tectonic Map of 'Game of Thrones' ContinentsThe breathtaking fictional landscapes of "Game of Thrones" had a tumultuous past that involved volcanic eruptions, mountain-building and entire continents splitting apart, scientists say.
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NASA Just Detected the First Marsquake on the Red PlanetThe InSight Lander has been listening for marsquakes since December.
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'Impossible' Rocks Found on Remote Volcanic IslandGeoscientists tracking down reports of curious, out-of-place rocks on Anjouan island have found a mountain-size mystery.
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Meet 'The Blobs': Two Continent-Size Mountains in Earth's Deep Mantle That Nobody UnderstandsThere's a continent-size mystery lurking near the heart of the Earth.
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Earth Once Swallowed Its Own Superocean. Could It Happen Again?An ancient supercontinent turned inside out as the Earth swallowed its own ocean some 700 million years ago, new research suggests.
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Andes Grew to Towering Heights in Two Explosive 'Growth Spurts'As the now-iconic Andes Mountains rose skyward along the western coast of South America dozens of millions of years ago, violent volcanic activity rocked the continent, a new study finds.
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US Navy's Secrecy Likely Stalled Ocean Science Progress for DecadesWhen the U.S. Navy classified vital seafloor data during World War II and after, it delayed the development of a key theory.
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Why Is NASA Looking for 'Marsquakes'?Are marsquakes the same as earthquakes?
