President Vladimir Putin of Russia yesterday seemed to voice preliminary support for a cease-fire, but made it clear he was ...

For 24,000 years, tiny creatures lay dormant, entombed in the frozen depths of Siberia’s permafrost. These microscopic ...

Reindeer herders in Siberia were stunned to discover a mummified Ice Age cave bear — with all of its organs intact. The ...

Warm Atlantic waters are rapidly reshaping the Siberian Arctic, sparking an era of unprecedented sea ice loss—something that ...

Waters from the Atlantic may be disrupting the layers of Arctic Ocean water that support sea ice formation and retention, ...

As the name suggests, permafrost was long considered to be permanent. But more recently, researchers have come to realize ...

Warm Atlantic waters are rapidly reshaping the Siberian Arctic, sparking an era of unprecedented sea ice loss—something that will have ongoing implications for the region’s ecosystem and ...

Arctic sea ice growth was slow in February, leaving extent at record-low levels for the end of the month. In the Antarctic, ...

Apparent 23,000-year-old tracks may have been left by Paleoindians pulling wooden vehicles carrying resources—and possibly ...