Intelligence isn't unique to humans — as the 15 amazing videos of animals solving problems in this article are about to show ...

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 ...

Humans pass on more viruses to domestic and wild animals than we catch from them, according to a major new analysis of viral genomes. Humans pass on more viruses to domestic and wild animals than we ...

Across the planet, animals are increasingly suffering from chronic illnesses once seen only in humans. Cats, dogs, cows, and even marine life are facing rising rates of cancer, diabetes, arthritis, ...

We like to draw a line between humans and animals, a clear divide built on memory, empathy, and invention. But that line doesn’t always hold. Apes steal territory. Parrots ace memory tests. Bees react ...

WASHINGTON, March 26 (Reuters) - Some of the deadliest diseases to stalk humankind have come from pathogens that jumped from animals to people. The virus that causes AIDS, for example, crossed over ...