Yellowstone National Park

The Ninth Circuit Court of Appeals ruled to uphold a federal judge’s 2018 decision to keep Yellowstone grizzly bears under Endangered Species Act protections. 

The official nonprofit organization of Yellowstone National Park laid off more than 30 employees and closed its education branch.

Yellowstone National Park and gateway communities in Montana and Wyoming are working to track the spread of COVID-19 as tourists start trickling in.

People interested in learning more about the geology of Yellowstone now can turn to an interactive map online.

Yellowstone National Park is seeking public comment on the possible impacts of a wifi expansion plan to historical properties. The proposal would connect areas like staff dormitories, administrative buildings, and high traffic tourist attractions like Old Faithful to wireless internet, or improve existing connections.

Typically, grizzly bears give birth to single or twin cubs. But Grizzly 399 is not a typical bear. She's given birth to multiple sets of triplets. And this spring, the Yellowstone region's most famous bear showed up in Grand Teton National Park with four cubs by her side.

Memorial Day weekend marks the beginning of summer, and an influx of tourists are expected to come through the state to visit some of Wyoming's national parks. But as with everything, this year is a little different.

The Wyoming entrance gates to Yellowstone National Park will open on Monday, May 18, at noon. Grand Teton National Park plans to open its gates at the same time.

The city of Cody is starting to detect the presence of COVID-19 in the community by testing human waste through the sewage system.

The U.S. Travel Association's National Travel and Tourism week is usually a time to highlight the tourism industry in the state but the week will be celebrated a little differently this year.

Yellowstone grizzly bears are protected under the Endangered Species Act (ESA) but starting Tuesday, May 5, a federal court will begin hearing oral arguments on whether the bears should be taken off.

Wyoming state park campgrounds open to residents only on May 15. Antler hunting will begin on May 1 as usual. Fishing nonresident daily and five-day licenses are under temporary suspension till May 8. No planned date to reopen Yellowstone and Grand Teton National Parks.

Yellowstone cutthroat trout are starting to show signs of recovery after nearly 30 years of efforts to eliminate the invasive lake trout threatening their population. 

Most national parks around the Mountain West remain closed to slow the spread of the coronavirus. And it remains unclear when or if parks will reopen in the coming months. 

Thermus aquaticus is a bacteria found in Yellowstone's thermal lakes - it's what gives some their brilliant yellow color. It was discovered almost 50 years ago, and it turns out to be a key component in most COVID-19 testing.

Recreation-based counties are seeing higher rates of COVID-19 than other rural counties, according to an analysis from the Daily Yonder, a non-profit publication that focuses on rural issues.

Yellowstone National Park and Grand Teton National Park are officially closed to all visitors indefinitely.

As international travel bans have been put into effect, Park County is preparing for potential impacts to its summer tourism season. The federal government has barred the entry of all foreign nationals who had visited China, Iran and a group of European countries in the past 14 days.

A new bill has been introduced to the Wyoming Legislature that would create a compensation program for livestock-wolf conflicts outside of the trophy area.

Hooved animals, known as ungulates, are known to "surf the green wave" and follow the nutritious spring growth as they migrate. But researchers have found that bison in Yellowstone National Park are not only surfing the green wave, they're also creating their own nutritious lawns and reducing their reliance on the wave.

The number of non-native lake trout in Yellowstone Lake is on the decline. Yellowstone biologists are optimistic that this means the native cutthroat trout population may be recovering.

The Yellowstone National Park nonprofit, Yellowstone Forever, raised $1 million in three days. The $1 million was matched dollar for dollar using federal funds.