Beluga whales can disappear beneath Arctic sea ice for long stretches, which makes them far tougher to follow than many other whale species. That is why researchers have increasingly turned to ...

The Long Island Aquarium's colony of South African penguins do not like cold weather. See the "beach bums" waddle inside.

Penguins are far more resilient and complex than their playful image suggests. They endure extreme cold, exhausting journeys, ...

For big parts of the United States, the past few days have brought lots of snow and lots of cold. Where there's snow and cold ...

While Cape Town's coastline may resemble a Mediterranean paradise, not everyone is keen on braving the icy waters. Discover ...