Earth Matters

Stranded hikers saved by message in a bottle

Why do cats love paper and plastic so much?

Denmark gives 4 circus elephants the perfect retirement gift

This critically endangered skink is getting its own tropical island

The most extreme bolts of lightning strike in winter

Why male honeybees try to blind their queens

Beating back the lionfish with knife and fork

How a turtle tunnel is saving lives in Wisconsin

One of these stunning trees will be crowned Britain's Tree of the Year

India attempts to reconnect with lunar lander

14 glimpses of nature from the Wildlife Photographer of the Year contest

We're only now getting a hint of Dorian's impact (Photos)