A pair of penguins huddle together on the vast Antarctic tundra and prepare to make a crucial exchange. Mother penguin lowers her feet to reveal an egg tucked within the folds of her feathers, which ...

National Geographic has built a reputation for unveiling hidden corners of the animal kingdom through its acclaimed "Secrets of" documentary series executive produced by James Cameron. From elephants ...

LOS ANGELES -- "Secrets of the Penguins" offers a compelling new look at the hidden lives of penguins in one of the most remote and challenging environments on Earth. National Geographic explorer, ...

Alexander Abad-Santos is a former writer for The Wire.

WASHINGTON (AP) — The population of emperor penguins in one part of Antarctica appears to be declining faster than previously thought, according to a new analysis of satellite imagery released Tuesday ...