Earth Matters

The rusty-spotted cat is the world's smallest (and most adorable) big cat

New Jersey plan to ban exotic circus animals suffers setback

These newly discovered 'pelican spiders' resemble pelicans for a good reason

'Firehawks' flush out prey with flames

How sustainable will the Winter Olympics be?

Supermassive black hole eats, burps and naps

Yellow River Game Ranch closes its doors

Baby sea turtles walk on treadmills for science

7 high-tech tools to combat poaching

9 photos celebrating the snowy owl irruption

When your day starts with black ice, ride it like the wind

Songbirds are struggling with noise pollution