The origins of plate tectonics on Earth are hotly debated, but evidence from Australia now shows that parts of the crust moved in relation to each other as early as 3.5 billion years ago
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By SDTodayThe origins of plate tectonics on Earth are hotly debated, but evidence from Australia now shows that parts of the crust moved in relation to each other as early as 3.5 billion years ago
We now have a clearer picture of what happened in the decades following the asteroid impact that led…
BySDTodayThe geographic poles can shift at surprisingly high rates Planet Observer/Universal Images Group via Getty Images The Earth’s…
BySDTodayExpedition member Chris Blakeley in the entrance to the world’s northernmost known cave, found on the Wulff Land…
BySDTodayThe Chicxulub asteroid brought the age of the dinosaurs to an end ROGER HARRIS/SCIENCE PHOTO LIBRARY The asteroid…
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