Learn more about cross-species adoption and why there are so few recorded cases of it.

Of the 8.7 million species on Earth, why are human beings the only one that paints self-portraits, walks on the Moon and worships gods? For decades, many scholars have argued that the difference stems ...

Rob Gierka and Karen Duke explain why this dated, insensitive dismissal ignores the power of human-animal bonds and how animals are vital to our physical and spiritual well-being.

Michael Bond explains how animals have influenced our minds and cultures and why human exceptionalism is downright misleading ...

Why do humans have language and other animals apparently don't? It's one of the most enduring questions in the study of mind and communication. Across all cultures, humans use richly expressive ...

Two chimpanzees meeting with each other apparently have a discussion using hand gestures, one of the human-like characteristics of other mammals. (Getty Images) Of the 8.7 million species on Earth, ...

Why is it that a squirrel may calmly take food from a picnic table while a deer runs as if its life depends on it at the snap ...

Charles Darwin theorized that a sound, smell or color that's attractive to one species can be preferred by others too. A new study finds humans and animals do share preferences for certain sounds.