Two-year-old twin polar bears Kallik (pronounced Kah-LEEK), left, and Kallu (Kah-LOO) take a swim during their public debut ...

A female polar bear swam 687 km across the freezing Beaufort Sea over nine days, a feat first reported in 2011. The video ...

While the bears enjoy soaking up the sun, warmer weather triggers several physiological changes. Baxendell explained polar ...

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The previous record was 1,799 swimmers who participated in the polar bear dip in Mielno ... himself set a world record four years ago in men’s swimming under ice when he swam a record distance ...

The previous record was 1,799 swimmers who participated in the polar bear dip in Mielno, Poland ... Vencl, a freediver, himself set a world record four years ago in men’s swimming under ice when he ...

Researchers found compounds produced in polar bear skin that were as ice resistant as PFAS, offering potential novel ...

The exhibit space, which was soon renamed the McDonnell Polar Bear Point, features 40,000 square feet of land and coast area, and a 50,000-gallon “sea” for him to splash and swim in.

“Czechs are a nation of polar swimmers,” said David Vencl, the organizer of the event. Vencl, a freediver, himself set a world record four years ago in men’s swimming under ice when he swam ...