The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms to the central and eastern U.S.

Polar bear cubs are incredibly cute — and amazingly elusive. Their mothers dig dens under the snow in remote areas. Protecting cubs is key to the species’ survival. Under half of all polar bear cubs ...

While most current 3D object detection methods still rely on the conventional Cartesian coordinates, they fail to align with the non-aligned coordinate system inherent in image geometry. The Polar ...

Interestingly, a polar bear’s famous white fur has no white pigment. The outer layer of fur is called guard hair. In polar bears, the guard hairs are translucent and appear white because of how they ...