An curved arrow pointing right. Two Ice Age cave lion cubs were found frozen in permafrost this past summer. Now researchers are attempting to clone them. Produced by Matt Stuart. Video courtesy AP.

The fact that the last Ice Age resulted in rising sea levels was ... Next up, read about the extinct cave lion species scientists are trying to bring back to life. Then, learn about the oldest ...

A strange cast of ferocious predators and giant herbivores lived here during the ice age. Graham Duggan Most ... The American cave lion (Panthera atrox) called this continent home and was one ...