Why Antarctica Froze 25 Million Years Before the Arctic Even Though They're Both at the Poles

Antarctica Froze Millions of Years Before the Arctic. We May Finally Know Why

A new study presents a geological explanation for the East Antarctic Ice Sheet's head start.

Why Antarctica Froze 25 Million Years Before the Arctic Even Though They're Both at the Poles

New solutions to two interlinked mysteries reveal how and why the Antarctic’s enormous ice sheet formed.

Antarctica froze 25 million years before the Arctic, and scientists now think the answer was hidden beneath the continent

Science News: For a long time, the story seemed straightforward. As atmospheric carbon dioxide levels fell and the planet cooled, large ice sheets began spreading a.

Why Antarctica froze millions of years before the Arctic

East Antarctica hosts the largest ice sheet on Earth, containing enough water to raise global sea levels by 52 meters (171 feet) were it to fully melt. Yet scientists have been puzzled for decades about how and why this ice sheet formed.