Fairy penguin makes public debut in the Bronx

Bigfoot stars in pedestrian safety PSA

Kilauea's lava finally reaches the Pacific

Mr. Hawk is ready for his close-up

Solar plane finishes historic flight around world

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

Panda chills out with an ice pop

How are hummingbirds so good at flying?

It's been a banner year for sea turtle nests

Who's the fastest eater of them all?

Mountain lion kittens make Santa Monica debut

Meditate on persistence of bubbles under ice