Snow is made up of trillions of tiny ice crystals to make snowflakes, with not one alike. Here's how they form.

A new book explores how one biologist’s work at the North and South Poles changed the way he sees the world and our place in ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

Earth passed the 1.5°C warming limit in 2024. The Arctic is warming four times faster than the rest of the world.

We celebrate 11 of the most beautiful mountains in the world: from the Alaskan wilds and remote Greenland to the giants of ...