Around 14,500 years ago, toward the end of the last ice age, melting continental ice sheets drove a sudden and cataclysmic ...

Earth's last ice age ended around 11,700 years ago and a new study predicts the next one should ... found fluctuations in Earth's orbit caused Northern Hemisphere ice sheets to expand and retract in ...

Between 36 and 20 million years ago the earth experienced the first of three major cooling steps. At this time a continental-scale temperate ice sheet emerged in East Antarctica. Meanwhile ...

Northern Hemisphere ice-sheet influences on global climate change. Science 286, 1104-1111 (1999). ———— Rapid rise of sea level 19,000 years ago and its global implications. Science 304 ...

They do worry, however, that the West Antarctic Ice Sheet might shrink enough to raise ... See also how these coasts looked 20,000 years ago at the height of the Ice Age, when seas were 400 ...

The findings, published Thursday in the journal Science, suggest that the Cordilleran ice sheet had largely melted as early as 14,000 years ago, a revision of previous estimates that much of western ...

Geologic evidence that casts doubt on one of the conventional explanations for how Antarctica's ice sheet began forming ... the continent about 34 million years ago. Now, rock samples from the ...