Yellowstone National Park trail shut down after first bear attack in 4 years
Grizzly bears and black bears coexist in Yellowstone, according to the National Park Service, and it's unclear which one was involved in the attack.
Bat colony found in Grand Teton lodge, possibly exposing hundreds to rabies
Hundreds of people could potentially have been exposed to rabies during their summer vacation at Grand Teton National Park.
New blue pool at Yellowstone National Park discovered after 'mildly explosive' activity
A routine temperature check at the Norris Geyser Basin in Yellowstone National Park led geologists to discover a new blue water spring.
Bison boils to death in Yellowstone hot spring
A bison was being photographed wandering around the hot spring’s edge when it reportedly stumbled into the scalding water and couldn’t get out.
Yosemite National Park to open all campgrounds for first time in 6 years
Officials noted that reservations are required at all campgrounds through October. They urged visitors to make reservations as soon as possible.
Yellowstone tourist gored after approaching bison, rangers say
It's the second time a person has been injured by a bison in Yellowstone National Park this year.
Wyoming mother shoots 4 daughters before shooting herself, police say
The 32-year-old woman reportedly shot her daughters inside their home, according to police.
Wyoming abortion laws, including explicit ban on pills to end pregnancy, struck down by judge
A judge has struck down Wyoming’s overall ban on abortion and its first-in-the nation explicit prohibition on the use of medication to end pregnancy.
Colorado man banned from Yellowstone National Park after entering protected area
A Colorado man was sentenced to jail and banned from Yellowstone National Park after officials said he walked off a designated trail and entered a protected area.
Yellowstone visitor suffers thermal burns after falling into scalding water
A 60-year-old woman from New Hampshire suffered severe thermal burns after falling into scalding water near Yellowstone's Old Faithful geyser.
Yellowstone's Biscuit Basin to remain closed for summer after massive hydrothermal explosion
Yellowstone National Park officials say small explosions of boiling water are now possible in the Biscuit Basin for the next few months.
3 members of The Nelons Atlanta gospel group killed in Wyoming plane crash
Three members of Atlanta-based Gospel group, the Nelons, and a Georgia Corrections official were among seven people killed in a plane crash in Wyoming Friday afternoon.
Five people escape SUV after it plunges into inactive Yellowstone geyser
Five people were taken to the hospital after swerving their vehicle into an inactive geyser in Yellowstone National Park.
Gunman killed by Yellowstone rangers planned July 4 mass shooting, officials said
Samson Lucas Bariah Fussner was killed by park rangers on Independence Day after he fired a semiautomatic rifle at the entrance of a dining area at Yellowstone National Park.
Ranger injured in shootout at Yellowstone National Park
A portion of Yellowstone National Park was closed off Thursday morning after a suspect exchanged fire with park rangers.
Teton Pass, section of highway in Wyoming, collapses in mudslide
A large section of Teton Pass mountain highway in Wyoming collapsed in a mudslide, closing a main artery to Jackson Hole as summer tourism season starts.
Bison gores 83-year-old woman in Yellowstone National Park
An 83-year-old woman was gored and seriously injured by a bison in Yellowstone National Park.
Veteran survives horrifying bear attack while hiking in popular national park
A disabled veteran who survived an attack by a grizzly bear is sharing the moment when his instincts kicked in and how it helped him survive.
Invasive mussels pose threat to Yellowstone National Park
Because of the park's location, the introduction of invasive mussels could put the currently mussel-free waters in Wyoming, Montana, and Idaho at risk.
Watch: Intoxicated driver swerves across lanes, towing tireless trailer in wild Wyoming chase
In a bizarre incident on December 28, a Wyoming highway patrol chase unfolded as a driver, suspected to be under the influence of alcohol, swerved recklessly across lanes.