Antarctica’s harsh, icy environment is home to a surprising array of wildlife, from iconic penguins to seals and tiny yet ...

Polar bear encounters with people are rare, but they can happen to people who live in, work in, or visit the Arctic. Here's how to stay safe.

From napping half their brain while flying to taking four-second naps to survive parenthood, these animals have evolved ...

On a trip to the arctic town of Churchill, Manitoba, I joined the trend of taking trips to see threatened places and animals ...

From polar pack ice to Arctic archipelagos, these winning images reveal how life is exquisitely engineered to survive at the ...

As the Arctic warms and sea ice disappears, polar bears are being pushed into conditions they have never faced before. Their ...

Fossil egg found in Antarctica suggests marine reptiles laid eggs, challenging previous beliefs about ancient life.

On Antarctic ice, movement itself becomes a survival test, especially for an animal that spends months walking far inland to ...

The Southern Ocean is one of the most remote places on Earth, but that doesn't mean it is tranquil. Tumultuous waves that can swallow vessels ensure that the Antarctic Peninsula ...

This is only the thirteenth known case among the population of polar bears that live around Churchill, Manitoba ...

Animals that navigate extreme conditions and environments have evolved to sleep in extreme ways — for example, stealing seconds at a time during around-the-clock parenting, getting winks on the wing ...

When animals nod off, they're most vulnerable to sneaky predators. But despite the risks, the need for sleep is so strong ...