Polar bear

PSA

Yes, pollution is helping destroy polar bear penises, thus screwing with their ability to procreate. John Oliver shed light on this horrific development on Last Week Tonight.

Awww

Twin cubs made their first media appearance at Munich’s Hellabrunn Zoo on Thursday—and they’re already sticking out their tongues at paparazzi.

Too Cool

Sometimes he swam for 12 hours straight. No one knew why. New Yorkers loved him anyway. By Malcolm Jones.

An adorably cross-eyed opossum named Heidi has captured the German zeitgeist with toys and songs. See more famous captive creatures, from Knut the polar bear to San Francisco’s gay penguins.