My friend, Susan in Santa Monica, posted a photo of herself on social media in a state of blissful repose, a white rat perched atop her chest. I recoiled at the sight of it. I phoned her and asked, ...

When we're babies, many of our parents teach us what sounds animals make, then give us plush animal toys, then show us cartoons starring animals who talk. Many of us, therefore, grow up convinced we ...

Scientists have long been mystified about how animals who munch on plants in Yellowstone National Park all get enough food to eat. Animals all living in the same habitat and eating the same foods ...