Just last year, park rangers at Yosemite National Park took to social media to warn hikers about frazil ice: "It’s not a solid surface despite its appearance, so when its slush hides the ...

Legendary climber Zach Milligan, who skied down Half Dome in Yosemite, dies after an ice climbing accident in the Canadian Rockies. Legendary free-solo climber Zach Milligan was found dead at the ...