Here are 10 animals that have some of the highest levels of testosterone and the impact it has on their behavior and characteristics.

A giant freeway crossing for wildlife is due to open outside Los Angeles this year. Here’s the story of one young cat hemmed ...

Image Credit: Survival World ...

Feathers ruffled, and nature was on full display as eagle couple Jackie and Shadow were busy mating near the family’s nest near Big Bear Lake.

Nature can be a cruel place. Disasters, predators, accidents, disease, and other assorted misfortunes and death dealers can lurk behind every corner. Unless the animal is so tough that it has no ...

From hiking across the Western Ghats to photograph the elusive and endemic lion-tailed macaque to journeying across the hot deserts of Little Rann of Kutch for the desert fox, Sridhar has worked in di ...

The annual competition draws thousands of entries from across the world and brings together images from below the water’s surface that show the diversity and challenges of subaquatic life ...

The children, two by two, walked into the woods solemnly, the hurricane lamp swinging, the light vanishing and then returning ...

Mary Jo Casalena, a retired Pennsylvania turkey biologist, received a national achievement award. Here's what she's learned about turkey populations.

April brings floodwaters, rich wildlife and fewer crowds to Botswana’s Okavango Delta, creating one of Africa’s most ...

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.