Clues unearthed from the northernmost caves on the planet could help plug a 10,000-year gap in Greenland’s ice core record, providing essential information about where the climate may

The Ice Ages created some of the most profound climate changes that Earth underwent over the past 2.5 million years. Now, geologists have uncovered new sites

The Altai Mountains of western Mongolia may be concealing secret amidst the splendor. The breathtaking alpine landscape could hold clues to how abrupt climate change

On a hill overlooking a steep mountain valley dappled with tropical greens and dry scrub brush, wire fences and a small dirt footpath lead to

Palisades, New York — They rest side by side on a dark bench table, two coarse linen bags labeled with big, round numbers and letters.