Analyses of pollen and spores and the remains of tiny creatures have given a climatic picture of the early Eocene period, about 53 million years ago. The study in Nature suggests Antarctic winter ...

Geologists currently believe that the conditions for creating the vortex first emerged after Antarctica separated from Australia 34 millions years ago, during tectonic shifts in the Eocene epoch.

The study's findings, published in Nature online, confirm that atmospheric CO2 declined during the Eocene - Oligocene climate transition and that the Antarctic ice sheet began to form when CO2 in ...

The warmer atmosphere holds more water vapor, which falls as snow on East Antarctica. But even this behemoth is unlikely to survive a return to an Eocene Climate. West Antarctica: Like the ...