Boulders and large woody debris near the outlet of the Black Hollow drainage basin in Colorado were deposited by a debris flow on July 20, 2021. Mud and sand matrix fills the intergranular areas ...
Cratered surfaces across our solar system reveal signs of ancient impacts, but mysterious gullies on Vesta might have formed through sudden brine flows triggered by meteoroid impacts. Recent ...
A massive debris flow has brought a long-term closure to the Valley of the Giants, a popular hike through some of Oregon’s oldest and largest trees in the Coast Range. In early December 2023 ...