As the National Park Service celebrates its 100th anniversary, we celebrate ongoing Earth and atmospheric research made possible by conservation efforts.
Sand dunes migrate—so why haven’t some budged in 60 years?
Scientists find evidence of ancient copper mining in polluted lake sediments from Isle Royale National Park.
Rockfalls from steep cliffs pose great hazards to the millions who visit Yosemite Valley each year. Armed with new studies, the National Park Service recently took steps to enhance visitors’ safety.