Earth

The stargazer's original hunting technique

All insects could be extinct 100 years from now

Svartifoss Waterfall, a stunning place in South Iceland

The guerilla gardeners of San Francisco

Ukraine's mysterious Tunnel of Love

3 amazing landscapes at the borders of Brazil

This is how snails reproduce

Photos that changed Sebastião Salgado's life

3 amazing landscapes to see in China

Here is why sloths have green fur

#BrutDocs: Fighting for the right to breathe

This animal-only bridge is saving lives and wildlife