Wyoming

Grizzly 399, along with one of her cubs, in Grand Teton National Park in 2021.

The 'World's Most Famous Grizzly' Was Killed by a Car. Was Her Death Preventable?

Grizzly 399 became a celebrity of Grand Teton National Park in her lifetime. Now, her death has drawn attention to wildlife-vehicle collisions and how they might be reduced

Frustrated residents of Sheridan, Wyoming, coalesced around the idea of secession, allying with nearby communities to petition for their own state.

How the Great Depression Fueled a Grassroots Movement to Create a New State Called Absaroka

In the 1930s, disillusioned farmers and ranchers fought to carve a 49th state out of northern Wyoming, southeastern Montana and western South Dakota

A 2009 hydrothermal explosion at Biscuit Basin, similar to the one that happened this week.

Watch a Yellowstone Hot Spring Explode Into a Boiling Column of Mud, Water and Rock

Hydrothermal explosions typically occur every year in the popular national park, but rarely in areas so heavily trafficked by visitors

A two-year-old adult female bison named Wyoming Hope gave birth to the 30-pound calf on May 16.

Rare White Bison Born in Wyoming State Park

The 30-pound calf is not albino but gets its pale fur from cattle genes

At American Fossil Quarry, on privately owned land near Kemmerer, Wyoming, hammer- and chisel-wielding visitors pay $69 to $89 to spend up to four hours hunting for fossils. Finders, keepers.

The 50-Million-Year-Old Treasures of Fossil Lake

In a forbidding Wyoming desert, scientists and fortune hunters search for the surprisingly intact remains of horses and other creatures that lived long ago

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