Hollow hairs are a key survival tool for Arctic animals, which have evolved to grow extraordinary weather-proof coats.

Herds of horses, bison and reindeer could play a significant part in saving the world from an acceleration in global heating. That is the conclusion of a recent study showing how grazing herbivores ...

With their vast, icy landscapes and long periods of darkness or daylight, the polar regions can appear pretty much the same. But they’re actually worlds apart. Polar misconceptions and myths abound, ...