Learn about animals, including the latest animal news, advancements in animal health research and animal photos.
The court rejected the legal persons since the definition of personhood involves both rights and the ability to perform duties, things chimps cannot do.
The iconic animals have declined 40 percent in just 15 years, a plight that has gone largely unnoticed until recently.
Many people use the words rabbit and hare interchangeably, but these are 2 very different creatures. Here's how to tell the difference.
Proponents argue that reindeer are a more reliable form of transportation than snowmobiles when it comes to chasing down criminals in the tundra.
Grab your binoculars and help scientists study bird populations in the world's longest-running citizen science survey.
Some animals disguise themselves as leaves or sticks, or mimic the look of bigger or poisonous animals. But this moth? This moth disguises itself as something few would ever mess with.
Monarch butterflies are a species in peril. But you can do a lot to help them out, including raising and releasing them!
Wolves living on the coastline of the Pacific Northwest have specialized in enough ways to be considered an unofficial subspecies of grey wolf. Conservation photographer April Bencze zeroes in on their lives and needs.
Nitrogen-enhanced grass at golf courses across the country attract these creatures by the hundreds, and one golf club is jumping at the opportunity to study the animals.
The amazing constellation-like eyes of this screech owl are actually the result of visual impairments.
This female hooded merganser makes a spectacle out of eating breakfast.
The Arizona landmark is a 'favored habitat' of the solitary gray wolf's ancestors.
Strange patterns and odd shapes make these mantises stand out — even as they blend in.
The turtle evolutionary tree has been hotly debated for decades. Scientists finally have some answers.
A recent study finds that one population has decreased by 40 percent since 2000. Conservationists say this group is simply an indicator of what's to come for the whole species.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.