Antarctica

Satellite image of North Polar Cap of Mars, showing dune fields

Megadunes on Mars: an Antarctic analog

Giant snow dunes in Antarctica help researchers decipher strikingly similar dunes on the Martian polar ice caps.

Why is there so much Antarctic sea ice?

Even during the Antarctic summer, heavy sea ice conditions are not uncommon. This photograph of sea ice was...

Is an East Antarctic melt probable?

Does melting of the East Antarctic Ice Sheet (EAIS) pose a threat to sea level rise? Studies of the ice melt that fuels sea level rise often focus on the prominent warming and melting of glaciers...

How does Antarctic sea ice differ from Arctic sea ice?

Besides residing on the opposite side of the planet, Antarctic sea ice differs from Arctic sea ice in important respects. Compared to Arctic sea ice, Antarctic ice melts back to a smaller extent...

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