Add Yahoo as a preferred source to see more of our stories on Google. VALLES CALDERA — In some parts of the Valles Caldera, it’s hard to see the forest for the trees. The National Park Service is ...

These serpentine rocks are rich in chromium-3, which is harmless as-is but can be transformed into a contaminant by wildfires. EUGENE, Ore. — Dec. 15, 2025 — In the wake of wildfire, a vital ...

Much of the western U.S. is overdue for wildfire, with decades of suppression allowing fuel to build up across millions of hectares. Researchers estimate that 74% of the region is in a fire deficit, ...