A Canadian climber is recuperating from a mild case of hypothermia after being stranded in a snow storm on the largest granite monolith in the world.
Health officials were set to draw blood from hundreds of Yosemite National Park employees as part of a research project that aims to help scientists better understand a potentially deadly virus carried by deer mice.
San Francisco voters must decide in November whether the city should take a first step towards draining Hetch Hetchy and restoring the natural course of the Tuolumne River.
Authorities say a Yosemite National Park hotel worker who went missing for nearly three days is recovering after she apparently plunged 35 feet while hiking in rugged terrain.
Yosemite National Park will offer testing to all employees at the site to determine if they have ever been infected with a deadly mouse-borne virus, officials said Thursday.
California public health officials have tested 100 workers at Yosemite National Park to determine whether they were exposed to the deadly mouse-borne hantavirus.
The National Park Service has said a ninth visitor to Yosemite National Park has been infected with the rodent-borne illness hantavirus.
Health officials have said a West Virginia resident has died from the outbreak of a rodent-borne illness linked to Yosemite National Park.
Up to 10,000 people who were guests in certain lodging cabins at Yosemite National Park might have been exposed to a deadly mouse-borne virus, park officials confirmed Friday.
Two more Yosemite National Park visitors have been found with a mouse-borne virus blamed for the deaths of two people, bringing the total number of infections to six.