A researcher expects the polar vortex to strengthen over the next two weeks. This has a big impact on our day-to-day weather here in the Great Lakes region and even the Northeast. Judah Cohen, ...

In the harsh and unforgiving Arctic, where frigid cold is not just a way of life but a necessity, the polar bear stands out. But where it lives, where it hunts, where it eats — it’s disappearing ...

Portland's zoo has had a long and troubled history with polar bears, going back more than a century. Zero and Zerex died tragically within months of each other in the early 1960s. Esco-Mo and Ice-Ter ...