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

It isn't easy being a red wolf

It's not easy rewilding a giant panda (but someone's got to do it)

How are hummingbirds so good at flying?

Take in a bird's-eye view of these powerful storms

Endlessly starry sky shimmers over Dry Tortugas National Park

Witness the cosmic heartbeat of the Crab Nebula

Move over, Old Faithful: Fly Ranch Geyser gets its moment in the sun

Firefighters receive thankful elk nuzzles after extinguishing a forest fire

These prize-winning images of dogs will steal your heart

Who needs fireworks when you have the stars?

Poignant short film will change how you think of bumble bees