Some parts of the world are so cold that they seem almost unreal" these are the coldest countries in the world.

The Earth has some of the most extreme climates on record. Here are 7 of the coldest places on Earth, where life and science push the limits of survival.

When temperatures sink well below zero and the ground freezes solid, most animals head for shelter or migrate somewhere ...

In a groundbreaking discovery, scientists at Trinity College Dublin have identified a "universal thermal performance curve" ...