National Park Service officials, in trying yet again to attract a business to run concessions on the South Rim of Grand Canyon National Park, claim the agency owns trademarks to business names associated with popular South Rim lodges and that Xanterra Parks & Resorts should abandon its bid to secure those trademarks.

An investigation into a case of vandalism that left painted images on rock outcrops in at least eight Western national parks is continuing with charges yet to be brought in the case, National Park Service officials say.

In a stroke of luck, a remote, motion-triggered camera in Yosemite National Park has captured a Sierra Nevada red fox out for a winter's day stroll in what is believed to be the first sighting of the rare carnivore in nearly a century.

The 2013 Rim Fire was the largest forest fire in California history, and the largest fire in Yosemite history. Burning 400 square miles, the speed and size of the fire was unprecedented. As these unnaturally large fires become more commonplace due to previous fire suppression and climate change, Yosemite National Park is seeing the benefits of carefully allowing smaller, controlled fires on the landscape.