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Timothy Titus

Roughly 20 people stand amid sand dunes under a clear blue sky and near a metal framework equipped with scientific instruments.
Posted inScience Updates

The Nitty-Gritty Forces That Shape Planetary Surfaces

by Brian Jackson, Serina Diniega, Timothy Titus, Alejandro Soto and Edgard Rivera-Valentin 15 June 202315 June 2023

Scientists are coming up with ingenious ways to compare terrestrial sand dunes, dust storms, and rain with their counterparts on Mars and Titan.

Satellite view of frosty sand dunes on Mars
Posted inScience Updates

Planetary Dunes Tell of Otherworldly Winds

by Timothy Titus, Serina Diniega, Lori K. Fenton, Lynn Neakrase and James Zimbelman 22 December 202116 February 2022

On Earth and throughout our solar system, ripples and dunes in sand and dust offer insights into how winds blow, liquid currents flow, and solid particles fly and bounce over the terrain.

Researchers stand with a rover robot inside a lava tube cave at Lava Beds National Monument in California
Posted inScience Updates

Planetary Cave Exploration Progresses

by Timothy Titus, C. M. Phillips-Lander, P. J. Boston, J. J. Wynne and L. Kerber 1 December 202031 March 2022

Terrestrial caves offer scientific and engineering insights and serve as testing grounds for future forays by humans and robots into caves on other worlds.

A dust storm near Winslow, Arizona
Posted inScience Updates

Better Approaches to Managing Drought in the American Southwest

by P. Lambert, Timothy Titus and A. Ostroff 20 March 20198 November 2021

USGS Southwest Region 2018 Science Exchange Workshop: Drought Science; Fort Collins, Colorado, 25–27 September 2018

Horizontal exposure of cyclic cross strata in the Navajo Sandstone
Posted inScience Updates

Planetary Dune Workshop Expands to Include Subaqueous Processes

by Timothy Titus, D. M. Rubin and G. Bryant 15 February 201828 July 2022

The Fifth International Planetary Dunes Workshop: From the Bottom of the Oceans to the Outer Limits of the Solar System; St. George, Utah, 16–19 May 2017

Posted inScience Updates

Planetary Caves' Role in Astronaut Bases and the Search for Life

by J. J. Wynne, Timothy Titus and P. J. Boston 8 March 201631 March 2022

2nd International Planetary Caves Conference; Flagstaff, Arizona, 20–23 October 2015

Posted inScience Updates

The Importance of Dunes on a Variety of Planetary Surfaces

by Timothy Titus, James Zimbelman and J. Radebaugh 14 August 20156 March 2023

The Fourth International Planetary Dunes Workshop: Integrating Models, Remote Sensing, and Field Data; Boise, Idaho, 19–22 May 2015

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

The Uncertain Fate of the Beaufort Gyre

13 May 202513 May 2025
Editors' Highlights

Beyond Up and Down: How Arctic Ponds Stir Sideways

13 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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