Pesto, who weighs 46 pounds at just nine months old, has been on display at an Australian aquarium since April. As he grew, so did his social media fanbase — especially after a recent gender reveal.

When Magic saw Sphen's body, "he immediately started singing," and other penguins joined in, Renee Howell, the aquarium's penguin keeper, told Australia's ABC broadcaster.

The Rosamond Gifford Zoo says Elmer and Lima are its first same-sex parents to successfully hatch an egg, calling the penguins "exemplary in every aspect of egg care."

This penguin's adventure might have taken a few wrong turns. It's only the third time an Adélie penguin is known to have made it to the shores of New Zealand.

New research suggests that penguins' ancestors originated not in frozen Antarctica but, instead, off the coasts of Australia and New Zealand, adapting to new climes over 22 million years.

Atlanta might be the last place you’d look for endangered penguins, but every morning at the Georgia Aquarium begins with a Waddle Walk. That’s when...