Acadia National Park News:
Acadia National Park plans expansion on MDI
With the help of some nonprofit organizations, the park is planning to grow on Mount Desert Island by more than 50 acres, according to a park official.

Bryce Canyon National Park News:
Going dark: Bryce Canyon to host national astronomy meet
Long before recorded history, humans gazed at the night sky and marveled at its mystery, a fascination that has grown as technology improved humans’ ability to penetrate the galaxies.

Grand Canyon National Park News:
Overdue hiker rescued in Grand Canyon
William (Billy) Driscoll was found Saturday as the National Park Service and the Coconino County Sheriff's office, with the assistance of the Department of Public Safety, made plans to ramp up search efforts.

National Park Service wants to further restrict flights over Canyon
The National Park Service wants to cut the annual number of tourist flights over the Grand Canyon by 30 percent, one of several proposals aimed at reducing aircraft noise heard on the ground.

Misc. National Park News:
National parks free on Tuesday
The National Park Service is offering free admission Tuesday to more than 100 national parks to mark the first day of summer.

Rocky Mountain National Park News:
RMNP to be filled with bicycles Monday\
The 2011 Bicycle Tour of Colorado will be traveling through Rocky Mountain National Park Monday, Rocky Mountain National Park spokeswoman Kyle Patterson advises.

Yellowstone (and Grand Teton) National Park News:
Yellowstone to conduct safety checks on commercial vehicles throughout the summer
Yellowstone National Park rangers and state and federal transportation officials will be conducting safety checks of commercial vehicles and operators traveling in the park throughout the summer.

Grand Teton rangers warn of dual danger of avalanches and runoff from records snow
Grand Teton National Park rangers are warning visitors to be wary of the dual danger of avalanches and spring runoff from the up to 60 feet of snow that fell in the mountains this winter.