If you thought winter was cold where you live, just imagine how a polar bear must feel! These amazing animals live on coastal ...

What's lurking in your freezer: a lasagna or deep-frozen pizza? Conservationists rely on freezers too—but they run much cooler than your model, with the thermostat set to a frosty -196°C, the ...

The shrinking sea ice in the Arctic Ocean is, overall, a disaster. But paradoxically, the melting of the ice can also fuel the engine of the Arctic food chains: algae. Hippos, today restricted to ...