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, ...

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 ...

Large dog with blue background. Side profile of senior dog looking guilty sad or ashamed. Side profile of 10 years old female American Pitbull terrier, silver fawn color. Selective focus. Copy space.© ...

Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...