Earth Matters

Watch a year in the life of Earth (in 3 minutes)

Earth's tiniest porpoise approaches extinction

'Cat poop coffee' isn't just weird, it's also cruel

The cheeky story behind the award-winning 'Puffin Paramours' photo

Wild birds communicate and collaborate with humans, study confirms

The unexpectedly weird and beautiful world of lichens

What exactly is a silver fox?

Sweltering 2016 is a warning from the future

There'll be no human-sheep mingling when the Bark Ranger is on duty

The unlikely alliances created by 'Pokémon Go'

Researchers find 'Dory' — in a lab

Are African violets in trouble?