In the far north of our planet lie vast frozen lands of snow-covered forest and open tundra. These are lands of extremes that push animals to their very limits. Show more In the far north of our ...

Though climate change has caused ice to melt high in the Rocky Mountains, researchers discovered an ancient forest lingering in ... through reductions in snow and ice,” the authors of a new ...

In the frozen and dense forests of Finland, hunters in the 20th century brought a fearsome predator close to extinction. The elusive wolverine was listed as endangered as early as the 1980s, and by ...