Expansive lava flows in the Sáttítla Highlands was captured by satellites ahead of the recent designation of the area as a national monument.

The processes that form continental crust from the denser basaltic rocks of the upper mantle may make the lower lithosphere ...

This rare Copper Age dagger as well as other artifacts unearthed at the site suggest that Tina Jama cave was frequented by ...

From peaceful canyons to quirky landmarks, these six hidden gems are the perfect places to escape the crowds and discover the ...

These seven hidden gems in Northern California are perfect for your next adventure. Add them to your bucket list.

NASA scientists test autonomous dog-like robots in Northern California caves in preparation for future missions to the Mars. Oregon Field Guide is available to stream on pbs.org and the free PBS ...

These 13 breathtaking waterfall trails in California will lead you to hidden gems that will leave you in awe. Nestled in the ...

The area is a spiritual center for the Pit River and Modoc Tribes and encompasses mountain woodlands and meadows home to rare flowers and wildlife.

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

He said co-management of the new monuments by tribes was crucial, which the White House pledged to try to achieve. Northern ...

President Joe Biden is signing a proclamation to establish two new national monuments in California in part to honor two ...