Musk oxen, inhabitants of the Arctic tundra, are well-known for their ... are finely tuned for cold climates. Covered in a double-layered coat that consists of underfur and hollow guard hairs ...

KS2 Geography. Biomes. A short video for pupils aged 7 to 11 investigating two of Earth's major biomes - savannahs and ...

The Permian-Triassic extinction, also known as the Great Dying, was the most devastating event in Earth’s history. 96% of ...

They include polar, tundra and mountain, or alpine, biomes. Cold environments face challenges from development. This includes tourism, fishing, mining and energy. Climate change is affecting cold ...

Research shows how Earth's climate suddenly warmed 10°C, transforming ecosystems and causing the worst mass extinction in history.

The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth. Huge volcanoes erupted ...