The Still-Frozen Great Lakes Could Mean Cold Temperatures All Summer

Last time we checked in with the Great Lakes, it was in the bone-chilling depths of the Polar Vortex, and a record-breaking 88 percent of the lakes were frozen. Now, here we are, at the end of April, and the lakes are still 30 percent frozen, which could mean a colder summer for the country. » 4/27/14 10:00am 4/27/14 10:00am

The best nature photo of the year is this badass polar bear

This is the Grand Prize Winner of National Geographic's best photo of the year competition, taken by Seattle-based photographer Paul Souders. It's titled The Ice Bear, and it features a female polar bear staring at Paul from underwater. It's an outstanding image, but I think the rest of his series are equally good—or… » 12/19/13 6:45pm 12/19/13 6:45pm

Polar Bears Aren't Descended From Brown Bears After All

For a long time, it's been thought that polar bears are recent descendants of brown bears and that their white coats and webbed feet evolved into being over the last 150,000 years. A new study proves that incorrect: in fact, polar and brown bears share a common ancestor, making polar bears 600,000 years old. » 4/20/12 5:41am 4/20/12 5:41am