Hundreds of visitors gathered in Yosemite National Park to gaze at the "Firefall," which occurs when the setting sun reflects ...

Videos from Yosemite National Park show the iconic "Firefall" phenomenon glowing at Horsetail Fall inside the park.

This lava-like visual is only seen when the conditions are perfect, and the sunset aligns with the waterfall just right.

At age 73, Dierdre Wolownick is continuing to defy gravity, nature, and society’s stereotypes. She’s often referred to as the mother of famed "Free Solo," rock climber Alex Honnold, but Wolownick has ...

Millions of people across the U.S. are on alert for dangerously cold temperatures in the wake of a deadly winter storm that ...

Thousands of Park Service and Forest Service employees have been fired, leaving few left to clean bathrooms, maintain trails ...