In the vast white expanse around Churapcha in eastern Siberia, the ever more rapid thaw of the permafrost is changing the ...

Excerpts from recent editorials in the United States and abroad: ___ April 29 The Washington Post says “this time” the US should stop a genocide This month marked a grim milestone for Sudan, the ...

Mass changes across the Antarctic ice sheet have been detected using satellite gravimetry, revealing significant ...