The polar regions are the coldest places on Earth. During the summer, the poles receive 24 hours of sunlight, but during the winter the sun is rarely visible. Animals that inhabit nature’s freezers ...

Scientists have quantified how much climate change has driven the population decline of polar bears living in Canada's Hudson ...

This prolonged fasting drains polar bears’ energy reserves, reducing their ability to reproduce and raise cubs. Without ...

a natural phenomenon that develops in the polar regions during winter, got much attention. Although the term polar vortex may seem relatively new, it isn’t. Disruptions of the vortex were first ...

frigid arctic air is confined to the polar regions. But when it is in a weakened state, the chilly winds expand beyond its circular North Pole region and extend as far south as Florida.