Plate Tectonics
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Scientists finally discover 'lost continent' thought to have vanished without a traceScientists have pieced together the remnants of a continent that broke off from western Australia 155 million years ago and seemingly vanished as it drifted northward toward Southeast Asia.
By Sascha Pare Published
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Zealandia, Earth's hidden continent, was torn from supercontinent Gondwana in flood of fire 100 million years agoScientists have fully mapped the lost continent of Zealandia in a world first, discovering new details about how it broke away from the supercontinent Gondwana through the ignition of a huge volcanic region tens of millions of years ago.
By Carissa Wong Published
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'They seemed primed to take over': How the Great Dying doomed the 'beast tooth' and set the stage for the dawn of the dinosaursThis excerpt from Michael Mann's latest book looks at the Cambrian explosion, the Great Dying and how dinosaurs were able to take over thanks to changes to the climate 250 million years ago.
By Michael E. Mann Published
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A single massive tectonic collision? That's not how the Himalayas came to be, scientists sayThe world's highest mountain system may have reached 60% of its current elevation before the Indian and Eurasian tectonic plates crashed into each other, giving the peaks an extra push.
By Sascha Pare Published
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Earth's plate tectonics traced back to 'tipping point' 3.2 billion years agoResearchers analyzing ancient deposits in Australia found evidence that Earth's layers started to get mixed up — a fingerprint of plate tectonics — about 1.3 billion years after the planet formed.
By Stephanie Pappas Published
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Mushroom-shaped superplume of scorching hot rock may be splitting Africa in 2Strange, never-before-seen movements in the East Africa Rift Valley appear to be driven by super-heated rock from deep beneath Earth's surface.
By Charles Q. Choi Published
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Is Africa splitting into two continents?Will the East African Rift split the continent and create a new ocean, or will it fizzle out?
By Charles Q. Choi Published
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Watch 'unprecedented' animation showcasing 100 million years of Earth historyA new model shows how the planet's surface evolved over the past 100 million years, from the shifting of tectonic plates to the movement of sediments.
By Stephanie Pappas Published
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Fault lines: Facts about cracks in the EarthFaults in the Earth are categorized into three general groups based on the sense of slip, or movement, that occur along them during earthquakes.
By Becky Oskin Last updated
