Environmentalists are suing the Trump administration to protect an animal found only on Washington state’s Olympic Peninsula. The Olympic marmot lives in mountain meadows of Olympic National Park. A ...

Merritt loved its marmots. The rodents were considered a mascot in the small city, located in B.C.’s arid Nicola Valley. Then the cute little animals started copulating in the cemetery, damaging ...

Northern California has some incredibly beautiful flowers and plant life, and there's one town in the Sierra Nevada region ...

From cancer-resistant mole rats to 200-year-old whales, evolution has equipped long-lived species with unique biological ...

Idaho, in its characteristic humility, has never been one to brag about its natural wonders. The falls stretch nearly 1,000 feet across the Snake River Canyon, creating a crescent-shaped curtain of ...

Hop aboard this historic train ride up one of America's most famous mountains for panoramic views of the Continental Divide and Denver in the distance.

Aging brings about a range of changes—often unwelcome—to our bodies: sagging skin, graying or thinning hair, and a decline in muscle strength and ...

Tucked away in Twin Falls, Idaho, this 212-foot natural masterpiece somehow manages to fly under the radar of America’s most celebrated natural wonders, despite being taller than Niagara Falls.

Stretching across 415 square miles of Colorado’s high country, Rocky Mountain National Park is one of America’s most ...

If you're visiting the North Cascades then you'll want to know about the animals in North Cascades National Park — learn ...

SEATTLE— The Center for Biological Diversity sued the Trump administration today for failing to decide whether to protect Olympic marmots, a rare species that lives only on the Olympic Peninsula in ...

From frogs to salamanders to the axolotl, amphibians are the most threatened animal group in the world. Pollution, habitat loss and a pandemic-level fungus have brought countless species to the brink ...