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

Between standing guard while others eat, to switching off which bird leads in a V formation, geese embody cooperation, a ...

Polar bear twins Kallu and Kallik debut at Saint Louis Zoo, attracting visitors to their 40,000-square-foot habitat, with the ...

ST. LOUIS — You can now say "hello" to polar bears Kallu and Kallik at the Saint Louis Zoo! After a weeks-long quarantine and acclimation period, the twin brothers made their public debut on Tuesday.

This video uncovers the science and survival instincts behind polar bear behavior in the wild. Trump’s 25% tariffs on steel and aluminum imports take effect, Europe retaliates Yellowstone to ...

The Chicago Bears were quite busy on the first day of NFL free agency's negotiation period, agreeing to terms with center Drew Dalman, defensive end Dayo Obeyingbo and defensive tackle Grady Jarrett.

Remote cameras were deployed in the Arctic mountains across nearly a decade; Valuable footage of moms and cubs emerging from dens shines light on elusive polar bear reproduction. Researchers from ...

People gathered at the RomeRock Association Clubhouse for the 20th annual Polar Bear Plunge Saturday afternoon. The event raises funds for the Pymatuning Valley, Grand Valley and Jefferson school ...

The Met Office says the UK is highly likely to see a polar vortex collapse in March - the weather phenomenon responsible for 2018’s ‘Beast from the East’. A sudden stratospheric warming (SSW ...

Frost's Lady Polar Bears picked up their first victory of the season Saturday with a dramatic comeback, scoring five runs in ...