Polar bear fur isn't really white -- it's transparent and covers up black skin. Here's why they look white when you see these majestic bears.

About 50 swimmers jumped into Vanryn Dam on a cold Saturday morning to take part in the WannaDo Events Polar Swim Challenge in Benoni.

Because the polar bear has translucent fur, the fur catches the sunlight and reflects it. While this may not seem like a particularly effective camouflage technique, it actually is.

Looking at a polar bear, you'd probably assume its fur is white, but you'd be wrong, as it's really just an interesting trick the light plays.

It's a pretty risky business trying to take a blood sample from a polar bear—one of the most dangerous predators on the planet—on an Arctic ice floe.

As sea ice melts, species such as beluga whales and polar bears bear the brunt, losing access to food and their habitats. Image courtesy of Kieran Mclver.

Step right up: Photos from 1979 show circus elephants in Portland Ringling Bros. and Barnum & Bailey Circus performed at the Cumberland County Civic Center.

The Portland-based company is co-hosting the event with a national impact investment firm to explore the brewery's mission of building a more equitable economy.

Choose from 136,475 Winter Sky stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.

William Arthur Winter's work has been offered at auction multiple times, with realized prices ranging from 23 USD to 4,866 USD, depending on the size and medium of the artwork. Since 2006 the record ...

Benjamin H. D. Buchloh, Conceptual Art 1962-1969: From the Aesthetic of Administration to the Critique of Institutions, October, Vol. 55 (Winter, 1990), pp. 105-143 ...