Chimpanzee calls for banana, mango, apple and bread differ between groups, but research shows they can learn each others' dialects.
A conservationist points to the harm Ebola has done to gorillas and chimpanzees and argues for a vaccine for the great apes.
Chimpanzee calls are much more sophisticated than previously thought -- they describe preferred food and the trees they grow on.
If you think you've gotten some weird holiday presents, learn what other animals give as gifts.
A group of judges could decide whether Tommy the chimp should be recognized as a person by law.
Scientists may have recorded chimpanzees learning skills from each other in the wild for the first time, according to a new study.
Early contact with humans can result in behavioral and social problems that last a lifetime.
Chimps are smart, right? Pretty darn smart! But how come we can do the speaking thing and they can't? As ever, genes are at play in this special talent, and Tara explains what we have that chimps don't.
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