Somewhere toward the end of the last ice age, we formed an alliance with wolves: Maybe the ancestors of dogs got food scraps while our own ancestors gained protection from predators and other humans. These social species eventually collaborated on a vast scale, possibly even hunting woolly mammoths...

Wherever you are in the U.S., a coyote may be taking up residence less than a mile away. If you live in the city, you’re more likely than your rural cousins to encounter raccoons. And regardless of geography, you probably share your home with dozens of species of insects and spiders. These facts...

White-tailed deer, North America’s most abundant larger herbivore, number an estimated 30 to 35 million in the United States, found in every state but Alaska, California, Hawai'i, Nevada and Utah. With hunting restrictions, their population has rebounded to where it was before Europeans arrived...

Today, veterinarians and 18 organizations, led by the Humane Society of the United States, submitted a petition to the Illinois Department of Natural Resources requesting that the agency initiate rulemaking to prohibit cruel, unnecessary wildlife killing contests in the state. At least 20 killing...

My husband and I were contemplating whether to hike the 3-mile trail in Utah’s Zion National Park that September day. I’d read that this trail was our best chance to spot bighorn sheep, but after a week of exploring the five national parks in the state, our bodies were tired—and it was already late...