Humans have always been drawn to animals that show warmth, affection and companionship. Among the vast variety of creatures on Earth, some stand out for their friendly nature and strong bonds with ...

Communication between species has a long and wishful history, beginning with myths, legends, and stories like those of King Solomon and Doctor Dolittle. In the past century, that history has blossomed ...

We’re celebrating 180 years of Scientific American. Explore our legacy of discovery and look ahead to the future. Travel involves two main expenditures of energy: fighting gravity and propelling ...