Woolly mammoths are at the forefront of controversial de-extinction efforts, writes Rebecca Woods in a commentary.

The Arctic woolly bear caterpillar (Gynaephora groenlandica) can survive freezing at temperatures as low as -70°C (-94°F) and may remain frozen for up to 10 months of the year. Some species of Alaskan ...

Welcome to the wild side, you're in for a treat! In this article, we will reveal the Arctic Titan - the largest Polar bear on record!