Across 5,200 km of Canada's Arctic, some 1,300 members of Canada's military spent two winter months on a mission to meet the ...

Polar bears in Svalbard are better off than researchers anticipated.

We Alaskans have our own reasons for concern about climate change, and for rating this issue as very urgent. Despite the cold winter we just endured, the polar and sub-polar ...

A new study shows that seals are increasingly willing to risk it all for the right mix of foods in the Arctic.

The Coast Guard cited economic conditions, local tribes, site contamination and high construction costs in its decision.

New simulations reveal the ocean current didn’t start as expected, with a missing factor delaying its full power.

How much more rain will this spring bring to Illinois? Check out weekly forecasts for April using these 10 maps.

In a statement today, the International Union for Conservation of Nature (IUCN) officially reclassified emperor penguins as ...

Climate change is pushing two iconic Antarctic species toward the brink of extinction, a new assessment finds.

By the Early Oligocene Glacial Maximum, atmospheric CO2 was around 600 parts per million (ppm), after falling from roughly ...

Populations are declining as climate change causes the sea ice the birds need for survival to retreat, according to ...

The Red List of Threatened Species, which was updated by the IUCN on Thursday, now includes the Emperor penguin and Antarctic ...