Actor and Pacific Palisades resident Steve Guttenberg spoke with MSNBC's Chris Jansing about helping fire crews battle the ...

Tribal communities in Northern California’s mountainous interior are celebrating the recent designation of Sáttítla Highlands ...

An undersea volcano off the Oregon coast will likely erupt in 2025, and scientists can use the lessons learned from ...

Secretary of the Interior Deb Haaland pushed for the new National Monument after hiking in this desert landscape last year ...

An extinct volcano is lying hidden in Carlsbad's Calavera Nature Preserve in north San Diego County. Welcome to Mount Calavera!

Vast forests, desert land and even a volcano are among the landscapes included in what's now the largest corridor of ...

The “snowiest” label could depend on whether you’re talking about where the most snow falls or where the most snow piles up.

One protects a highly varied forested area near the Oregon border known for its volcanic activity, and another protects a large swath of desert near Joshua Tree National Park.

President Biden is creating two new national monuments in California, the White House announced Tuesday. Biden will ...

Using magnetotellurics, researchers produced a detailed picture of the magma beneath Yellowstone, offering insights into a ...