"The most climate-stressed regions all contained permafrost, which is vulnerable to thaw as temperatures rise," researcher Sue Natali said.

Alaska, often referred to as the last frontier, is at the forefront of climate change, with regions experiencing dramatic ...

Denali: Why is Donald Trump renaming cherished Alaska peak ‘Mount McKinley’? - The 47th president is wading back into a century-long dispute over the name we give to North America’s tallest mountain ...