Earth Matters

It's good to be the king! Penguin gets a promotion at Edinburgh Zoo

5 quotes to inspire hope on any day

Kama the surfing pig loves to hang 10

Rare aquatic cats that fish with their paws are on the brink of extinction

11 animals on the verge of extinction

Fort Polk horses to be rounded up and sold

Put yourself in Curiosity's shoes with 360-degree view of Mars

8 close calls with whales

Patience pays off for photographer at peregrine nest

3 national parks that turn up the heat

Extinct smallpox virus could be resurrected by global warming

Clever animation reveals hidden cost of deforestation in less than 1 minute