BOZEMAN, Mont. _ Hunters are killing grizzly bears in record numbers around Yellowstone National Park and researchers say the once-endangered predator is expanding across the region.

More earthquakes are rattling Yellowstone National Park.

Yellowstone National Park was jostled by a host of small earthquakes for a third straight day Monday, and scientists watched closely to see whether the more than 250 tremors were a sign of something bigger to come.

Scientists are closely monitoring more than 250 small earthquakes that have occurred in Yellowstone National Park since Friday.

A researcher at Montana State University said Jell-O, ultrasound, microwaves and electroshocking are among the possible solutions to eliminate lake trout in Yellowstone National Park.

State and federal officials have agreed to allow bison to migrate into parts of Montana from Yellowstone National Park _ a move expected to slow but not stop an annual slaughter of the animals.

A cat lost in Yellowstone National Park in August has been returned to her family in Houston with the help of some West Yellowstone residents. Philip Wattenbarger and his family were camping in a trailer in the West Yellowstone area when their long-haired

They’re still ready for Armageddon at the Church Universal and Triumphant, a religious sect that for almost two decades has kept a bomb shelter stocked for 750 people deep in a forest near Yellowstone National Park.

Yellowstone National Park will let in 720 snowmobiles a day _ the same as the past three winters _ while officials try to form a long-term access plan amid challenges from recreational users and conservationists.

Yellowstone National Park officials, attempting to balance competing demands for cell phone service and preserving the park’s tranquility, have released a draft plan to guide the development of wireless services within the park.