Polar bears are one of the largest mammals on land; only the African elephant can tower over the polar bear in this corner of ...

In my last article, From Musandam to the Rooftop of Africa, I wrote about climbing Mount Kilimanjaro. That adventure was made ...

Arctic air onslaught coming to a Canadian city near you From shaping ecosystems to influencing our climate system, here are five of snow’s most incredible abilities, plus a couple of bonus ones that ...

This winter, with record snow in New Orleans and drought and destructive wildfires in Southern California, has not been normal.

Charlie Jacobsma slapped the surface of a pool enclosure at Chicago’s Shedd Aquarium and scanned the water for movement.