Antarctica

Larsen B Ice Shelf, March 7, 2002

An ice shelf is a slab of ice, often hundreds of meters thick, that is attached to a coastline and extends over the adjacent ocean waters. Massive ice shelves hug the perimeter of Antarctica. One...

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

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

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

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...

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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