Ice shell thickness reveals water temperature on ocean worlds

Decades before any probe dips a toe—and thermometer—into the waters of distant ocean worlds, Cornell astrobiologists have devised a novel way to determine ocean temperatures based on the thickness of their ice shells, ...

Good things don't come in threes for Antarctic sea ice

As this month marks the third consecutive summer with extremely low sea-ice cover around Antarctica, new statistical research points to fundamental changes taking place in the polar Southern Ocean.

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