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PLANET EARTH
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Earth’s first crust looked surprisingly like today’s © ...
Mars once had vast oceans on its surface. Then its magnetic field weakened, its atmosphere thinned, and its water vanished. But the numbers don’t add up. For the Red Planet to have transformed from a
Mass extinctions and evolutionary leaps, from bacteria to Homo sapiens
By following Earth’s journey around the Sun, scientists are able to predict the next deep freeze
Take a deep dive into some of the world’s most curious submerged sites
Some people think that the seas hold the key to protecting the planet.