and the purple saxifrage grow. Climate change is also altering these mountains. Higher temperatures are causing the arctic-alpine plants to die out, and helping rhododendrons, an invasive species ...

The Arctic has long filled humans with awe, but there are now profoundly worrying signals coming from the frozen landscape at the top of our planet, and scientists are deeply concerned about its ...

In the context of rapidly shrinking sea ice in the Arctic and as United States President Donald Trump ramps up comments about annexing Canada, Ottawa is seeking to reassert its sovereignty in the ...

Arctic communities have long been noticing changes in the sea ice across Alaska, with ice setting up later most years and proving less dependable throughout the winter many years. The impacts have ...

Churchill, Canada — Here on the edge of the Arctic in northern Canada, the annual migration of polar bears draws tourists, photographers and scientists like Geoff York. Buggies traverse the ...

An Arctic air mass kept its grip on much of the central and eastern U.S. on Friday, plunging temperatures to record lows as snow blanketed central Colorado and the Pacific Northwest braced for an ...

Arctic glaciers are leaking significant amounts of methane, a potent greenhouse gas. Glacial melt rivers and groundwater springs are transporting large volumes of methane from beneath the ice to ...

Canada has no deep affinity for Moscow or Beijing and is a natural ally of the U.S. in continental defence He said Canada’s role is in the Arctic, where a new Great Game is playing out between ...

Nineteen states from Nebraska to Florida are facing cold weather alerts on Friday morning as a relentless Arctic blast persists -- but a warmup is finally on the way. Friday marks the fourth ...