Cold-adapted animals started to evolve 2.6 million years ago when the permanent ice at the poles became more prevalent. There followed a time when the continental ice sheets expanded and contracted ...

A new study has provided fresh insights into how animals such as the woolly mammoth, musk ox and arctic fox evolved to ...

Life is harsh for barnacle geese, which must contend with Arctic temperatures and protect their young from predators like foxes by nesting on high ledges and cliffs. But this strategy has a ...

Nature is full of colours. But, while some stand out for their plethora of colours, others are known for their lack of it.