Near the northern tip of the Antarctic peninsula, a group of Adelie penguins launch themselves from an iceberg into the frigid waters of the ocean.Jay Dickman/Getty Images ...

WASHINGTON (Reuters) - The evolution of penguins from their flying seabird ancestors into the flightless denizens of marine environments from frigid Antarctica to the tropical Galapagos Islands is ...

Sliding down snowy Antarctic slopes and zipping through frigid waters, penguins seem perfectly suited to their environment. But the charismatic birds weren’t always flightless aquatic acrobats: ...

It’s a common mix-up in pop culture: people imagine polar bears and penguins sharing icy landscapes. Yet, in reality, penguins never live in the Arctic. They are found exclusively in the Southern ...

Global temperature changes have been an important driver of penguin evolution, a new study suggests. Researchers mapped penguin evolution and identified traits that helped them survive. Modern ...