5 surprising facts about ladybugs

How Rocky the orangutan is giving us clues to human speech

Fairy penguin makes public debut in the Bronx

Meet the 'sister clones' of Dolly the sheep

Mr. Hawk is ready for his close-up

Bumblebees coax pollen from flowers with a secret 'knock'

This beautiful deep sea purple orb has scientists baffled

Look out, rats. New Zealand is gunning for you

Can conservationists bring the common loon back to Massachusetts?

America's last group of research chimps will make their home in North Georgia

15 weird sleep habits in the animal world

Earth's tiniest porpoise approaches extinction