What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

The Sacramento Zoo is celebrating a special milestone. The zoo, founded in 1927, had the very first okapi birth in its nearly ...

The Cofán people in Ecuador watch over the forest to defend it from invaders. After studying in the U.S., Hugo Lucitante returned home to help.

Long thought extinct, a 750-limbed creature has been found near Silicon Valley—and this millipede's got claws and even its own "clothing." ...

Nighttime underwater photos show fish hanging out with jellyfish and anemones — perhaps seeking their protection.

Prioritizing which animals and plants to help is driven mostly by whether we like them or not. Some experts say that may not ...

Highlighting the best wildlife photography across land and sea, these the winners photos from this year's Wildlife ...

Many unexpected human artifacts have been preserved, for centuries, in vulture nests. This sandal woven from grasses and twigs, called an agobía, is somewhere between 727 and 771 years old, ...

New research finds new puppy parents sometimes struggle with time management and other issues. We asked experts for tips to ensure that all members of a household thrive. A female mixed-breed puppy ...

Survival of snow leopard populations could be "precarious" in the future due to the way the elusive mountain cats have ...

Rapid development in the Valley is displacing burrowing owls from their native agricultural habitats, leading to a decline in ...

National Geographic helped the famous conservationist get her start—and followed her chimpanzee research and advocacy for wildlife in a career that forever changed how we understand animal behavior.