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The ocean is Earth’s climate hero.

For decades, ocean waters have helped hold back the juggernaut of global warming, absorbing at least a third of the carbon dioxide emitted by human activities since the Industrial Revolution…

Recovering ancient records of Earth’s magnetic field is challenging because the magnetization in rocks is often reset by heating during tectonic burial over their long and complex geological histories. Geoscientists from MIT and elsewhere…

Antarctica’s largest ice shelf, buttressing a dozen major glaciers and slowing their flow into the ocean, may be surprisingly sensitive to warming.

Several thousand years ago, the Ross Ice Shelf and the glaciers feeding it thinned…