A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...

The contrast between the declining Western Arctic herd and the thriving Porcupine herd is correlated to different levels of ...

The study suggests one of the main drivers of the shift could be thawing permafrost, frozen ground that covers almost half of ...

Learn about hotspots in tundras and boreal forests that are releasing higher level of carbon dioxide, altering the carbon ...

The declining Western Arctic herd and the thriving Porcupine herd use habitat with differing levels of climate change-related ...

An ancient fossilized forest in Montana is reemerging 600 feet higher than the present-day tree line after spending the last ...