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Peter Braddock, the group's mountaineer, walks towards the McIntyre Promontory, the rocky outcrop where the group collected plant fossils. The Prehistoric Forests of the Frozen Continent
Science / Earth
Friday June 30, 2017

Paleontologists uncovered the fossil remnants of the oldest forest yet discovered in Antarctica. At about 270 million years old, the fossils come from an extinct species of tree known as Glossopteris. The fossils promise to offer paleontologists insights into the prehistoric climate and ecology of Antarctica, and the dramatic ecological changes that were about to sweep across the continent.
Researchers Allie Belter (left) and Gregory Balco hike towards the Shackleton Glacier spilling over a section of Roberts Massif. Dating The East Antarctic Ice Sheet
Science / Ice and Snow
Wednesday June 14, 2017

The history of the East Antarctic Ice Sheet is written in stones along the Transantarctic Mountains. Over the past two years, researchers ventured to remote areas along the mountain range to decipher how high ancient glaciers reached, by studying the rocks they left behind. By measuring the amount of cosmic radiation the rocks have been exposed to, the research team can map out the reach of ancient glaciers at different points in the past.

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Curator: Michael Lucibella, Antarctic Support Contract | NSF Official: Peter West, Office of Polar Programs