Horsetail plants show unique oxygen isotope patterns in their water. These isotopic fingerprints help reveal Earth's ancient climate history. Findings may improve climate models and inspire water ...

Accountability is critical for measuring consistency of meeting the standards for delivering the highest level of service. The foundational standard of service that the fire service provides—saving ...

Learn how to identify the horse chestnut tree by its large leaves, spiky seed pods, and shiny brown conkers found across parks and gardens. Opinion: The US must take Greenland, whatever the cost 'This ...

On a clear day, visitors at Yosemite National Park can once again catch a glimpse of the awe-inspiring "Firefall" effect. According to the National Park Service, Horsetail Fall can glow orange when it ...