The penguin known as “Happy Feet” has vanished in the ocean on his way home from New Zealand, eluding his trackers just days after his release and leaving behind a mystery that may never be solved.

A penguin at the Cincinnati Zoo got her happy feet back thanks to innovative technology used to help the animal's unique foot condition. African penguin Larkin, named after former Cincinnati Reds star ...

The penguin - affectionately dubbed Happy Feet - drew intense interest after being spotted on North Island's Peka Peka Beach, about 2,000 miles (3,200 kilometers) from its natural habitat in ...

Happy Feet's satellite transmitter went silent on Friday, five days after experts released the bird from a research ship and sent him on his way home. Experts said the transmitter simply may have ...