Giant tree rat discovered

Explore the science behind this topic: Tree-dwelling, coconut-cracking giant rat discovered in Solomon Islands

Latest videos

At least a billion animals killed in bushfires

3:33
Video: At least a billion animals killed in bushfires

Smothered by smoke: How to cope

2:16
Video: Smothered by smoke: How to cope

How bushfires can make their own weather

1:50
Video: How bushfires can make their own weather