A new condition is causing many penguin chicks to lose their feathers, with some victims dying as a result of the mysterious problem.
A new animal-recognition system capitalizes on zebra stripes.
The first known vertebrate with an endosymbiont, spotted salamanders take their gardening personally.
Not taking actions to help reduce the national rise in bat mortality could cost the United States billions of dollars.
A population of western lowland gorillas, described as "dense and healthy," has been found in Cameroon's Deng Deng National Park.
After nearly two weeks stuck in tsunami-flooded rice field, a baby porpoise is returned to the ocean.
A new study shows that navy sonar causes whales to flee their feeding grounds.
These majestic cats once spread from the southern United States to southern Argentina, but they have since vanished from many of their old strongholds.
These majestic cats once spread from the southern United States to southern Argentina, but they have since vanished from many of their old strongholds.
Pollution is causing a significant barrier to sea star breeding off the coast of California - more so than the varied marine topography along the rest of the western United States.