Yellowstone National Park

Grizzly 399 is arguably one of the most famous grizzly bears in the U.S. due to the amount of attention she has gotten over the years. This year is no different.

She and her four cubs have been spotted outside of Grand Teton National Park, and Jackson residents started worrying she could be in danger.

Trumpeter Swans were first documented in Yellowstone National Park in the early 1900s, and they were common until the 1960s when their population started to decline. By 2010, there were only about 60 swans in the park. The loss of these birds has brought together more than seven different federal, state, and private agencies in the quest to bring them back to their former numbers.

For the past 17 years, researchers have been tracking mountain lions, also called pumas, north of Jackson Hole. When they started the research, the population was around 20 to 25 adults, but now it's down to about 10 adults. 

Old Faithful is known for being, well, faithful. But it wasn't always that way. In fact, according to new research published in Geophysical Research Letters, it once stopped erupting for nearly 100 years.

Yellowstone National Park is proposing new opening and closure dates for the East Entrance for the winter season. Currently, the Cody entrance to the national park opens in mid-December and closes in the beginning of March. 

For the first time in nearly 50 years, there will be no winter lodging at Old Faithful in Yellowstone National Park.

Researchers at the University of Wyoming are trying to find out what goes on beneath the surface of Yellowstone National Park.

In 1988, Yellowstone National Park and surrounding areas experienced a huge wildfire. And only a couple of decades later, some of those areas burned again. 

Nathan Gill, an assistant professor of fire ecology at Texas Tech University, has been studying how this affects trees' seeds dispersal. It turns out more frequent fires don't allow enough time for the tree to grow back and spread its seeds. 

Sixteen tribal nations in nine U.S. states will receive buffalo from the Fort Peck Assiniboine and Sioux Tribes’ quarantine program. Forty graduates of the program were rounded up in Wolf Point, MT this week and loaded onto livestock trailers in the largest ever tribe-to-tribe transfer of buffalo.

President Donald Trump on Tuesday signed the Great American Outdoors Act, a bipartisan bill being hailed as the biggest public lands and conservation legislation in a generation.

In 2019, there wasn't a single human injury caused by a grizzly bear throughout the Greater Yellowstone Ecosystem. But the number of injuries has already reached eight in 2020 - a new record for the first half of the year, as the Jackson Hole News&Guide reported last week.

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.