GEODES August 2023

Observatory Mesa Lava Flow

Where Magma Meets Groundwater Rattlesnake Crater Volcano, Arizona

The Four-Legged Astronomer: An Essay Celebrating the Night Sky

Paleoart: A Book Review

Red Mountain: The best short hike in Northern Arizona?

Strombolian Volcanic Eruptions, September 19 and 20, 2018, Stromboli, Italy

Kilauea as a Visual Analog for Ancient Volcanic Fissure Eruptions in Northern Arizona

Pyroclastic Flows are a type of Density Current: A Simple Demonstration

The Volcanoes of Rapa Nui (Easter Island): A Brief Introduction

Arizona's Ancient Super Volcano

Coconuts compete in N AZ Regional Robotics March 10 2017

Paranal

Andean Flamingos of the Salar de Atacama

Recoating the Mirror, Discovery Channel Telescope, July 2016

Wormy Mason Jar Mug

Grand Falls, Arizona - Storm Response October 2015

Bald Eagle Day in Flagstaff, Arizona 1-23-16

Blood Moon Lunar Eclipse from Flagstaff 9-27-15

Lewis's Woodpecker in Flagstaff

Northern Flicker, Flagstaff, Arizona

Stranded Sea Lion, Dana Point, California 4-6-15

Grand Falls, Arizona, Geology, PartII: The Little Colorado River

Pluto Projection Globe at Lowell Observatory

Waterfalls of Iceland

Museum of Northern Arizona - Courtyard App Review

Holuhraun Eruption from the Bardarbunga Central Volcano, Iceland, September 2014

Ashfall Fossil Beds State Historic Park, Nebraska

The Volcanoes of Flagstaff: cinder Cones

Raven 5